#10354D#10354D

#10354D is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.060 H 241.0°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#10354D
RGB	rgb(16, 53, 77)
HSL	hsl(204, 66%, 18%)
HSV	hsv(204, 79%, 30%)
CMYK	cmyk(79.2%, 31.2%, 0%, 69.8%)
CIE-LAB	lab(20.80, -3.71, -18.49)
CIE-LCH	lch(20.80, 18.86, 258.65°)
OKLab	oklab(31.53% -0.0289 -0.0522)
OKLCH	oklch(31.53% 0.06 241)
XYZ	xyz(2.8258, 3.1919, 7.4869)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10354D #4D2810

analogous

#104D46 #10354D #10164D

triadic

#10354D #4D1035 #354D10

tetradic

#10354D #46104D #4D2810 #164D10

square

#10354D #46104D #4D2810 #164D10

split-complementary

#10354D #4D1016 #4D4610

monochromatic

#051119 #05121A #10354D #1B5880 #257BB2

Accessibility & contrast

On white

12.82

#10354D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#10354D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10354D

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10354D	#FFFFFF	#000000	##FFFFFF
##10354D	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A354E

Deuteranopia (green-blind)

#222F4D

Tritanopia (blue-blind)

#003B3D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #10354d;
/* rgb */ color: rgb(16, 53, 77);
/* oklch */ color: oklch(31.5% 0.060 241.0);

Tailwind

colors: {
  custom: {
    50: '#586c7f',
    500: '#10354d',
    950: '#000000',
  },
}

SCSS

$custom: #10354d;
$custom-light: #586c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#10354d",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 77
  },
  "hsl": {
    "h": 203.607,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31534,
    "c": 0.05973,
    "h": 241
  },
  "luminance": 0.03192
}

Semantic roles & 50–950 ramp

primary

#10354D

secondary

#875332

accent

#823FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #10354D

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

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