#10374C#10374C

#10374C is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.0% C 0.057 H 236.2°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#10374C
RGB	rgb(16, 55, 76)
HSL	hsl(201, 65%, 18%)
HSV	hsv(201, 79%, 30%)
CMYK	cmyk(78.9%, 27.6%, 0%, 70.2%)
CIE-LAB	lab(21.45, -5.46, -16.81)
CIE-LCH	lch(21.45, 17.67, 252.01°)
OKLab	oklab(32.03% -0.0317 -0.0473)
OKLCH	oklch(32.03% 0.057 236.2)
XYZ	xyz(2.8839, 3.3640, 7.3334)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10374C #4C2510

analogous

#104C43 #10374C #10194C

triadic

#10374C #4C1037 #374C10

tetradic

#10374C #43104C #4C2510 #194C10

square

#10374C #43104C #4C2510 #194C10

split-complementary

#10374C #4C1019 #4C4310

monochromatic

#051219 #051219 #10374C #1B5C7F #2580B1

Accessibility & contrast

On white

12.55

#10374C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#10374C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10374C

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10374C	#FFFFFF	#000000	##FFFFFF
##10374C	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D374D

Deuteranopia (green-blind)

#25314C

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #10374c;
/* rgb */ color: rgb(16, 55, 76);
/* oklch */ color: oklch(32.0% 0.057 236.2);

Tailwind

colors: {
  custom: {
    50: '#586d7e',
    500: '#10374c',
    950: '#000000',
  },
}

SCSS

$custom: #10374c;
$custom-light: #586d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#10374c",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 76
  },
  "hsl": {
    "h": 201,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.32032,
    "c": 0.05695,
    "h": 236.2
  },
  "luminance": 0.03364
}

Semantic roles & 50–950 ramp

primary

#10374C

secondary

#864F32

accent

#7B40E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #10374C

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

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