#123734

Closest named color: Midnight Green (#073B4C). oklch(30.9% 0.042 187.9), rgb(18, 55, 52).

Aa

White text reads best on this color (12.94:1).

About this color

#123734 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.042 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.041 away. White text reads best on it, at 12.94:1.

Hue familyTeals and cyans
Lightnessdark (31%)
Chromamuted (0.042)
Temperaturecool
Nearest nameMidnight Green (#073B4C)
Black text1.62:1
White text12.94:1

Values

HEX#123734
RGBrgb(18, 55, 52)
HSLhsl(175, 51%, 14%)
OKLCHoklch(30.9% 0.042 187.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #123734 12.94:1 AAA Lc -102.3 Preferred for body text
Black text on #123734 1.62:1 Fails Lc 0.0 Not readable
#123734 text on white 12.94:1 AAA Lc 99.0 Preferred for body text
#123734 text on black 1.62:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E0EDEB

    oklch(93.6% 0.014 185.9)

  3. Step 200

    200

    #C6DFDC

    oklch(88.4% 0.027 187.9)

  4. Step 300

    300

    #9CCCC6

    oklch(81% 0.051 186.7)

  5. Step 400

    400

    #61B1AA

    oklch(70.7% 0.08 188.2)

  6. Step 500

    500

    #229D95

    oklch(63.1% 0.102 188.2)

  7. Step 600

    600

    #00857E

    oklch(55.6% 0.097 188.3)

  8. Step 700

    700

    #00706A

    oklch(49.1% 0.085 188.3)

  9. Step 800

    800

    #005C56

    oklch(42.8% 0.075 187.1)

  10. Step 900

    900

    #004D48

    oklch(37.8% 0.066 187.3)

  11. Step 950

    950 (this color)

    #123734

    oklch(30.9% 0.042 187.9)

Export this scale for Tailwind in the Tailwind colors tool

#123734 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#3434340.045
Deuteranopia (no green cones)#2E30340.041
Tritanopia (no blue cones)#0038360.011
Achromatopsia (no color)#3131310.042

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #123734

    #123734

    oklch(30.9% 0.042 187.9)

  • #43272C

    #43272C

    oklch(31% 0.043 8.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #123734

    #123734

    oklch(30.9% 0.042 187.9)

  • #1C3728

    #1C3728

    oklch(31% 0.043 158.2)

  • #13353E

    #13353E

    oklch(30.8% 0.042 217.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #123734

    #123734

    oklch(30.9% 0.042 187.9)

  • #3E2838

    #3E2838

    oklch(31% 0.042 337)

  • #432820

    #432820

    oklch(30.9% 0.043 37.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #123734

    #123734

    oklch(30.9% 0.042 187.9)

  • #362A41

    #362A41

    oklch(30.9% 0.043 307.9)

  • #3E2C18

    #3E2C18

    oklch(30.9% 0.042 68.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #123734

    #123734

    oklch(30.9% 0.042 187.9)

  • #2B2E45

    #2B2E45

    oklch(30.9% 0.042 278)

  • #43272C

    #43272C

    oklch(31% 0.043 8.2)

  • #363016

    #363016

    oklch(30.9% 0.042 96.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #123734, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #123734 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.