#152D3B#152D3B

#152D3B is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.5% C 0.040 H 236.1°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#152D3B
RGB	rgb(21, 45, 59)
HSL	hsl(202, 48%, 16%)
HSV	hsv(202, 64%, 23%)
CMYK	cmyk(64.4%, 23.7%, 0%, 76.9%)
CIE-LAB	lab(17.23, -4.37, -11.76)
CIE-LCH	lch(17.23, 12.55, 249.61°)
OKLab	oklab(28.46% -0.0221 -0.0328)
OKLCH	oklch(28.46% 0.04 236.1)
XYZ	xyz(2.0368, 2.3518, 4.4834)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152D3B #3B2315

analogous

#153B36 #152D3B #151A3B

triadic

#152D3B #3B152D #2D3B15

tetradic

#152D3B #36153B #3B2315 #1A3B15

square

#152D3B #36153B #3B2315 #1A3B15

split-complementary

#152D3B #3B151A #3B3615

monochromatic

#081117 #081117 #152D3B #254F68 #357295

Accessibility & contrast

On white

14.28

#152D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#152D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152D3B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152D3B	#FFFFFF	#000000	##FFFFFF
##152D3B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262D3C

Deuteranopia (green-blind)

#21293B

Tritanopia (blue-blind)

#003132

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #152d3b;
/* rgb */ color: rgb(21, 45, 59);
/* oklch */ color: oklch(28.5% 0.040 236.1);

Tailwind

colors: {
  custom: {
    50: '#566571',
    500: '#152d3b',
    950: '#000000',
  },
}

SCSS

$custom: #152d3b;
$custom-light: #566571;
$custom-dark: #000000;

JSON

{
  "hex": "#152d3b",
  "rgb": {
    "r": 21,
    "g": 45,
    "b": 59
  },
  "hsl": {
    "h": 202.105,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.28461,
    "c": 0.03958,
    "h": 236.1
  },
  "luminance": 0.02352
}

Semantic roles & 50–950 ramp

primary

#152D3B

secondary

#724E39

accent

#8251D7

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030507

muted

#787A7A

Preview Lab

Preview with #152D3B

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

Preview Lab → · Contrast checker → · Palette generator →