#10344B#10344B

#10344B is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.058 H 240.5°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#10344B
RGB	rgb(16, 52, 75)
HSL	hsl(203, 65%, 18%)
HSV	hsv(203, 79%, 29%)
CMYK	cmyk(78.7%, 30.7%, 0%, 70.6%)
CIE-LAB	lab(20.34, -3.85, -17.87)
CIE-LCH	lch(20.34, 18.28, 257.83°)
OKLab	oklab(31.13% -0.0285 -0.0504)
OKLCH	oklch(31.13% 0.058 240.5)
XYZ	xyz(2.7112, 3.0738, 7.1057)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10344B #4B2710

analogous

#104B44 #10344B #10164B

triadic

#10344B #4B1034 #344B10

tetradic

#10344B #44104B #4B2710 #164B10

square

#10344B #44104B #4B2710 #164B10

split-complementary

#10344B #4B1016 #4B4410

monochromatic

#051119 #051119 #10344B #1B577D #267AB0

Accessibility & contrast

On white

13.00

#10344B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#10344B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10344B

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10344B	#FFFFFF	#000000	##FFFFFF
##10344B	1.00	13.00	1.61	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29344C

Deuteranopia (green-blind)

#212F4B

Tritanopia (blue-blind)

#003A3C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #10344b;
/* rgb */ color: rgb(16, 52, 75);
/* oklch */ color: oklch(31.1% 0.058 240.5);

Tailwind

colors: {
  custom: {
    50: '#576b7d',
    500: '#10344b',
    950: '#000000',
  },
}

SCSS

$custom: #10344b;
$custom-light: #576b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10344b",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 75
  },
  "hsl": {
    "h": 203.39,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.31134,
    "c": 0.05796,
    "h": 240.5
  },
  "luminance": 0.03074
}

Semantic roles & 50–950 ramp

primary

#10344B

secondary

#855232

accent

#8140E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #10344B

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

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