#04343A

Closest named color: Midnight Green (#073B4C). oklch(29.8% 0.049 207.8), rgb(4, 52, 58).

Aa

White text reads best on this color (13.48:1).

About this color

#04343A is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.049 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.036 away. White text reads best on it, at 13.48:1.

Hue familyTeals and cyans
Lightnessdark (30%)
Chromamuted (0.049)
Temperaturecool
Nearest nameMidnight Green (#073B4C)
Black text1.55:1
White text13.48:1

Values

HEX#04343A
RGBrgb(4, 52, 58)
HSLhsl(187, 87%, 12%)
OKLCHoklch(29.8% 0.049 207.8)

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 #04343A 13.48:1 AAA Lc -102.9 Preferred for body text
Black text on #04343A 1.55:1 Fails Lc 0.0 Not readable
#04343A text on white 13.48:1 AAA Lc 99.7 Preferred for body text
#04343A text on black 1.55:1 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

    #F0F7F8

    oklch(97.1% 0.008 207.1)

  2. Step 100

    100

    #DEEDF0

    oklch(93.6% 0.016 211)

  3. Step 200

    200

    #C2E0E4

    oklch(88.6% 0.032 206.4)

  4. Step 300

    300

    #95CCD4

    oklch(81% 0.058 207.3)

  5. Step 400

    400

    #50B1BE

    oklch(70.8% 0.092 207.2)

  6. Step 500

    500

    #009BAB

    oklch(63% 0.108 207.7)

  7. Step 600

    600

    #008290

    oklch(55.5% 0.095 208)

  8. Step 700

    700

    #006E79

    oklch(49.2% 0.084 206.9)

  9. Step 800

    800

    #005A64

    oklch(42.8% 0.073 207.9)

  10. Step 900

    900

    #004B53

    oklch(37.7% 0.065 207)

  11. Step 950

    950 (this color)

    #04343A

    oklch(29.8% 0.049 207.8)

Export this scale for Tailwind in the Tailwind colors tool

#04343A 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)#2E323A0.046
Deuteranopia (no green cones)#272C3A0.043
Tritanopia (no blue cones)#0037360.015
Achromatopsia (no color)#2F2F2F0.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #04343A

    #04343A

    oklch(29.8% 0.049 207.8)

  • #432320

    #432320

    oklch(29.8% 0.05 26.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #04343A

    #04343A

    oklch(29.8% 0.049 207.8)

  • #09352D

    #09352D

    oklch(29.7% 0.049 177.8)

  • #123143

    #123143

    oklch(29.9% 0.049 237.1)

Open the analogous palette in the generator

Split complementary

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

  • #04343A

    #04343A

    oklch(29.8% 0.049 207.8)

  • #41232D

    #41232D

    oklch(29.9% 0.048 359)

  • #402713

    #402713

    oklch(29.9% 0.049 58)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #04343A

    #04343A

    oklch(29.8% 0.049 207.8)

  • #3B243A

    #3B243A

    oklch(29.8% 0.05 328.2)

  • #382C0D

    #382C0D

    oklch(29.9% 0.049 87.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #04343A

    #04343A

    oklch(29.8% 0.049 207.8)

  • #302843

    #302843

    oklch(29.9% 0.049 297)

  • #432320

    #432320

    oklch(29.8% 0.05 26.1)

  • #2B3113

    #2B3113

    oklch(29.9% 0.049 118.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #04343A, closest first.

Similar named colors

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

Use #04343A 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.