#10374E#10374E

#10374E is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.059 H 238.7°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#10374E
RGB	rgb(16, 55, 78)
HSL	hsl(202, 66%, 18%)
HSV	hsv(202, 79%, 31%)
CMYK	cmyk(79.5%, 29.5%, 0%, 69.4%)
CIE-LAB	lab(21.55, -4.65, -17.98)
CIE-LCH	lch(21.55, 18.57, 255.51°)
OKLab	oklab(32.15% -0.0309 -0.0507)
OKLCH	oklch(32.15% 0.059 238.7)
XYZ	xyz(2.9545, 3.3923, 7.7053)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10374E #4E2710

analogous

#104E46 #10374E #10184E

triadic

#10374E #4E1037 #374E10

tetradic

#10374E #46104E #4E2710 #184E10

square

#10374E #46104E #4E2710 #184E10

split-complementary

#10374E #4E1018 #4E4610

monochromatic

#051219 #06131B #10374E #1A5B81 #257FB4

Accessibility & contrast

On white

12.51

#10374E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#10374E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10374E

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10374E	#FFFFFF	#000000	##FFFFFF
##10374E	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C374F

Deuteranopia (green-blind)

#24314E

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #10374e;
/* rgb */ color: rgb(16, 55, 78);
/* oklch */ color: oklch(32.1% 0.059 238.7);

Tailwind

colors: {
  custom: {
    50: '#586d7f',
    500: '#10374e',
    950: '#000000',
  },
}

SCSS

$custom: #10374e;
$custom-light: #586d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#10374e",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 202.258,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3215,
    "c": 0.05939,
    "h": 238.7
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#10374E

secondary

#885232

accent

#7E3FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #10374E

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

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