#15374B#15374B

#15374B is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.053 H 237.4°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#15374B
RGB	rgb(21, 55, 75)
HSL	hsl(202, 56%, 19%)
HSV	hsv(202, 72%, 29%)
CMYK	cmyk(72%, 26.7%, 0%, 70.6%)
CIE-LAB	lab(21.58, -4.93, -15.92)
CIE-LCH	lch(21.58, 16.67, 252.80°)
OKLab	oklab(32.17% -0.0285 -0.0447)
OKLCH	oklch(32.17% 0.053 237.4)
XYZ	xyz(2.9450, 3.3995, 7.1562)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15374B #4B2915

analogous

#154B44 #15374B #151C4B

triadic

#15374B #4B1537 #374B15

tetradic

#15374B #44154B #4B2915 #1C4B15

square

#15374B #44154B #4B2915 #1C4B15

split-complementary

#15374B #4B151C #4B4415

monochromatic

#071218 #08141B #15374B #225A7B #307DAB

Accessibility & contrast

On white

12.50

#15374B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#15374B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15374B

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15374B	#FFFFFF	#000000	##FFFFFF
##15374B	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E374C

Deuteranopia (green-blind)

#26314B

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15374b;
/* rgb */ color: rgb(21, 55, 75);
/* oklch */ color: oklch(32.2% 0.053 237.4);

Tailwind

colors: {
  custom: {
    50: '#596d7d',
    500: '#15374b',
    950: '#000000',
  },
}

SCSS

$custom: #15374b;
$custom-light: #596d7d;
$custom-dark: #000000;

JSON

{
  "hex": "#15374b",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 202.222,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.32171,
    "c": 0.05306,
    "h": 237.4
  },
  "luminance": 0.034
}

Semantic roles & 50–950 ramp

primary

#15374B

secondary

#835439

accent

#8048E0

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #15374B

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

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