#10343F#10343F

#10343F is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.5% C 0.045 H 221.5°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#10343F
RGB	rgb(16, 52, 63)
HSL	hsl(194, 59%, 15%)
HSV	hsv(194, 75%, 25%)
CMYK	cmyk(74.6%, 17.5%, 0%, 75.3%)
CIE-LAB	lab(19.74, -8.63, -10.68)
CIE-LCH	lch(19.74, 13.73, 231.05°)
OKLab	oklab(30.46% -0.0337 -0.0298)
OKLCH	oklch(30.46% 0.045 221.5)
XYZ	xyz(2.3385, 2.9248, 5.1430)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10343F #3F1B10

analogous

#103F32 #10343F #101C3F

triadic

#10343F #3F1034 #343F10

tetradic

#10343F #32103F #3F1B10 #1C3F10

square

#10343F #32103F #3F1B10 #1C3F10

split-complementary

#10343F #3F101C #3F3210

monochromatic

#061418 #061418 #10343F #1C5C70 #2985A1

Accessibility & contrast

On white

13.25

#10343F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#10343F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10343F

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10343F	#FFFFFF	#000000	##FFFFFF
##10343F	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3340

Deuteranopia (green-blind)

#272E3F

Tritanopia (blue-blind)

#003837

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #10343f;
/* rgb */ color: rgb(16, 52, 63);
/* oklch */ color: oklch(30.5% 0.045 221.5);

Tailwind

colors: {
  custom: {
    50: '#556b74',
    500: '#10343f',
    950: '#000000',
  },
}

SCSS

$custom: #10343f;
$custom-light: #556b74;
$custom-dark: #000000;

JSON

{
  "hex": "#10343f",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 194.043,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.30461,
    "c": 0.04494,
    "h": 221.5
  },
  "luminance": 0.02925
}

Semantic roles & 50–950 ramp

primary

#10343F

secondary

#794232

accent

#6A45E3

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #10343F

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

Preview Lab → · Contrast checker → · Palette generator →