#10334B#10334B

#10334B is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.9% C 0.059 H 242.3°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#10334B
RGB	rgb(16, 51, 75)
HSL	hsl(204, 65%, 18%)
HSV	hsv(204, 79%, 29%)
CMYK	cmyk(78.7%, 32%, 0%, 70.6%)
CIE-LAB	lab(19.99, -3.17, -18.42)
CIE-LCH	lch(19.99, 18.69, 260.23°)
OKLab	oklab(30.86% -0.0274 -0.052)
OKLCH	oklch(30.86% 0.059 242.3)
XYZ	xyz(2.6670, 2.9855, 7.0909)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10334B #4B2810

analogous

#104B45 #10334B #10154B

triadic

#10334B #4B1033 #334B10

tetradic

#10334B #45104B #4B2810 #154B10

square

#10334B #45104B #4B2810 #154B10

split-complementary

#10334B #4B1015 #4B4510

monochromatic

#051119 #051119 #10334B #1B557D #2678B0

Accessibility & contrast

On white

13.15

#10334B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#10334B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10334B

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10334B	#FFFFFF	#000000	##FFFFFF
##10334B	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28334C

Deuteranopia (green-blind)

#202E4B

Tritanopia (blue-blind)

#00393B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #10334b;
/* rgb */ color: rgb(16, 51, 75);
/* oklch */ color: oklch(30.9% 0.059 242.3);

Tailwind

colors: {
  custom: {
    50: '#576a7d',
    500: '#10334b',
    950: '#000000',
  },
}

SCSS

$custom: #10334b;
$custom-light: #576a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10334b",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 75
  },
  "hsl": {
    "h": 204.407,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.30856,
    "c": 0.05881,
    "h": 242.3
  },
  "luminance": 0.02986
}

Semantic roles & 50–950 ramp

primary

#10334B

secondary

#855432

accent

#8440E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #10334B

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

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