#10374D#10374D

#10374D is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.058 H 237.5°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#10374D
RGB	rgb(16, 55, 77)
HSL	hsl(202, 66%, 18%)
HSV	hsv(202, 79%, 30%)
CMYK	cmyk(79.2%, 28.6%, 0%, 69.8%)
CIE-LAB	lab(21.50, -5.05, -17.40)
CIE-LCH	lch(21.50, 18.12, 253.81°)
OKLab	oklab(32.09% -0.0313 -0.049)
OKLCH	oklch(32.09% 0.058 237.5)
XYZ	xyz(2.9189, 3.3780, 7.5179)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10374D #4D2610

analogous

#104D44 #10374D #10194D

triadic

#10374D #4D1037 #374D10

tetradic

#10374D #44104D #4D2610 #194D10

square

#10374D #44104D #4D2610 #194D10

split-complementary

#10374D #4D1019 #4D4410

monochromatic

#051219 #05131A #10374D #1B5B80 #257FB2

Accessibility & contrast

On white

12.53

#10374D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#10374D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10374D

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10374D	#FFFFFF	#000000	##FFFFFF
##10374D	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D374E

Deuteranopia (green-blind)

#24314D

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #10374d;
/* rgb */ color: rgb(16, 55, 77);
/* oklch */ color: oklch(32.1% 0.058 237.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#10374d",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 77
  },
  "hsl": {
    "h": 201.639,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.3209,
    "c": 0.05816,
    "h": 237.5
  },
  "luminance": 0.03378
}

Semantic roles & 50–950 ramp

primary

#10374D

secondary

#875132

accent

#7C3FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #10374D

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

Preview Lab → · Contrast checker → · Palette generator →