#152B4B#152B4B

#152B4B is a dark, moderate blue. Relative luminance 0.024; OKLCH L 28.9% C 0.065 H 257.8°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#152B4B
RGB	rgb(21, 43, 75)
HSL	hsl(216, 56%, 19%)
HSV	hsv(216, 72%, 29%)
CMYK	cmyk(72%, 42.7%, 0%, 70.6%)
CIE-LAB	lab(17.44, 3.43, -22.43)
CIE-LCH	lch(17.44, 22.69, 278.69°)
OKLab	oklab(28.92% -0.0138 -0.0638)
OKLCH	oklch(28.92% 0.065 257.8)
XYZ	xyz(2.4427, 2.3949, 6.9888)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B4B #4B3515

analogous

#15464B #152B4B #1A154B

triadic

#152B4B #4B152B #2B4B15

tetradic

#152B4B #4B1546 #4B3515 #154B1A

square

#152B4B #4B1546 #4B3515 #154B1A

split-complementary

#152B4B #4B1A15 #464B15

monochromatic

#070E18 #08101B #152B4B #22467B #3062AB

Accessibility & contrast

On white

14.20

#152B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#152B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B4B

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B4B	#FFFFFF	#000000	##FFFFFF
##152B4B	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2E4C

Deuteranopia (green-blind)

#15284A

Tritanopia (blue-blind)

#003237

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #152b4b;
/* rgb */ color: rgb(21, 43, 75);
/* oklch */ color: oklch(28.9% 0.065 257.8);

Tailwind

colors: {
  custom: {
    50: '#59637d',
    500: '#152b4b',
    950: '#000000',
  },
}

SCSS

$custom: #152b4b;
$custom-light: #59637d;
$custom-dark: #000000;

JSON

{
  "hex": "#152b4b",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 75
  },
  "hsl": {
    "h": 215.556,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.28916,
    "c": 0.06525,
    "h": 257.8
  },
  "luminance": 0.02395
}

Semantic roles & 50–950 ramp

primary

#152B4B

secondary

#836539

accent

#A248E0

background

#F5F5F7

surface

#E9EAEE

border

#C5C6C9

text

#040509

muted

#79797B

Preview Lab

Preview with #152B4B

Body copy rendered with the generated semantic roles for this colour.

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