#07152A

Closest named color: Rich Black (#0D1B2A). oklch(19.6% 0.047 258), rgb(7, 21, 42).

Aa

White text reads best on this color (18.26:1).

About this color

#07152A is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.047 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.025 away. White text reads best on it, at 18.26:1.

Hue familyBlues
Lightnessvery dark (20%)
Chromamuted (0.047)
Temperaturecool
Nearest nameRich Black (#0D1B2A)
Black text1.14:1
White text18.26:1

Values

HEX#07152A
RGBrgb(7, 21, 42)
HSLhsl(216, 71%, 10%)
OKLCHoklch(19.6% 0.047 258)

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 #07152A 18.26:1 AAA Lc -107.0 Preferred for body text
Black text on #07152A 1.14:1 Fails Lc 0.0 Not readable
#07152A text on white 18.26:1 AAA Lc 104.8 Preferred for body text
#07152A text on black 1.14:1 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

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E3EAF5

    oklch(93.5% 0.017 259.4)

  3. Step 200

    200

    #CDDAEE

    oklch(88.5% 0.031 258.9)

  4. Step 300

    300

    #ABC2E5

    oklch(80.9% 0.056 258.7)

  5. Step 400

    400

    #7EA2D8

    oklch(70.6% 0.089 258.3)

  6. Step 500

    500

    #5D8ACE

    oklch(63.1% 0.114 258.4)

  7. Step 600

    600

    #4373BB

    oklch(55.6% 0.124 258.3)

  8. Step 700

    700

    #3460A1

    oklch(49% 0.116 258.1)

  9. Step 800

    800

    #2C4F82

    oklch(42.7% 0.094 257.8)

  10. Step 900

    900

    #284268

    oklch(37.7% 0.073 257.8)

  11. Step 950

    950 (this color)

    #07152A

    oklch(19.6% 0.047 258)

Export this scale for Tailwind in the Tailwind colors tool

#07152A 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)#0B172B0.010
Deuteranopia (no green cones)#06132A0.008
Tritanopia (no blue cones)#001A1D0.038
Achromatopsia (no color)#1515150.047

Harmonies

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

Complementary

The opposite hue (180°).

  • #07152A

    #07152A

    oklch(19.6% 0.047 258)

  • #1F1200

    #1F1200

    oklch(19.5% 0.041 77.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #07152A

    #07152A

    oklch(19.6% 0.047 258)

  • #001823

    #001823

    oklch(19.6% 0.039 229.6)

  • #151129

    #151129

    oklch(19.7% 0.047 289)

Open the analogous palette in the generator

Split complementary

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

  • #07152A

    #07152A

    oklch(19.6% 0.047 258)

  • #260D02

    #260D02

    oklch(19.6% 0.048 47.2)

  • #171600

    #171600

    oklch(19.5% 0.042 107.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #07152A

    #07152A

    oklch(19.6% 0.047 258)

  • #270B0D

    #270B0D

    oklch(19.7% 0.047 18.2)

  • #0A1A04

    #0A1A04

    oklch(19.7% 0.048 137)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #07152A

    #07152A

    oklch(19.6% 0.047 258)

  • #240B19

    #240B19

    oklch(19.6% 0.048 347.6)

  • #1F1200

    #1F1200

    oklch(19.5% 0.041 77.1)

  • #001B12

    #001B12

    oklch(19.7% 0.04 168.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #07152A, closest first.

Similar named colors

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

Use #07152A 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.