#152C3B#152C3B

#152C3B is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.2% C 0.040 H 239.0°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#152C3B
RGB	rgb(21, 44, 59)
HSL	hsl(204, 48%, 16%)
HSV	hsv(204, 64%, 23%)
CMYK	cmyk(64.4%, 25.4%, 0%, 76.9%)
CIE-LAB	lab(16.88, -3.69, -12.32)
CIE-LCH	lch(16.88, 12.86, 253.33°)
OKLab	oklab(28.18% -0.0207 -0.0344)
OKLCH	oklch(28.18% 0.04 239)
XYZ	xyz(1.9991, 2.2764, 4.4709)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152C3B #3B2415

analogous

#153B37 #152C3B #15193B

triadic

#152C3B #3B152C #2C3B15

tetradic

#152C3B #37153B #3B2415 #193B15

square

#152C3B #37153B #3B2415 #193B15

split-complementary

#152C3B #3B1519 #3B3715

monochromatic

#081117 #081117 #152C3B #254E68 #356F95

Accessibility & contrast

On white

14.43

#152C3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#152C3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152C3B

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152C3B	#FFFFFF	#000000	##FFFFFF
##152C3B	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252C3C

Deuteranopia (green-blind)

#20283B

Tritanopia (blue-blind)

#003031

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #152c3b;
/* rgb */ color: rgb(21, 44, 59);
/* oklch */ color: oklch(28.2% 0.040 239.0);

Tailwind

colors: {
  custom: {
    50: '#566571',
    500: '#152c3b',
    950: '#000000',
  },
}

SCSS

$custom: #152c3b;
$custom-light: #566571;
$custom-dark: #000000;

JSON

{
  "hex": "#152c3b",
  "rgb": {
    "r": 21,
    "g": 44,
    "b": 59
  },
  "hsl": {
    "h": 203.684,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.28177,
    "c": 0.04016,
    "h": 239
  },
  "luminance": 0.02277
}

Semantic roles & 50–950 ramp

primary

#152C3B

secondary

#725039

accent

#8651D7

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030507

muted

#787A7A

Preview Lab

Preview with #152C3B

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

Preview Lab → · Contrast checker → · Palette generator →