#10354C#10354C

#10354C is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.058 H 239.9°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#10354C
RGB	rgb(16, 53, 76)
HSL	hsl(203, 65%, 18%)
HSV	hsv(203, 79%, 30%)
CMYK	cmyk(78.9%, 30.3%, 0%, 70.2%)
CIE-LAB	lab(20.74, -4.12, -17.91)
CIE-LCH	lch(20.74, 18.38, 257.04°)
OKLab	oklab(31.47% -0.0293 -0.0505)
OKLCH	oklch(31.47% 0.058 239.9)
XYZ	xyz(2.7908, 3.1779, 7.3024)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10354C #4C2710

analogous

#104C45 #10354C #10174C

triadic

#10354C #4C1035 #354C10

tetradic

#10354C #45104C #4C2710 #174C10

square

#10354C #45104C #4C2710 #174C10

split-complementary

#10354C #4C1017 #4C4510

monochromatic

#051219 #051219 #10354C #1B587F #257CB1

Accessibility & contrast

On white

12.84

#10354C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#10354C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10354C

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10354C	#FFFFFF	#000000	##FFFFFF
##10354C	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A354D

Deuteranopia (green-blind)

#222F4C

Tritanopia (blue-blind)

#003B3D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #10354c;
/* rgb */ color: rgb(16, 53, 76);
/* oklch */ color: oklch(31.5% 0.058 239.9);

Tailwind

colors: {
  custom: {
    50: '#576c7e',
    500: '#10354c',
    950: '#000000',
  },
}

SCSS

$custom: #10354c;
$custom-light: #576c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#10354c",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 76
  },
  "hsl": {
    "h": 203,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31473,
    "c": 0.05844,
    "h": 239.9
  },
  "luminance": 0.03178
}

Semantic roles & 50–950 ramp

primary

#10354C

secondary

#865232

accent

#8040E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #10354C

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

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