#10345D#10345D

#10345D is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.084 H 254.2°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#10345D
RGB	rgb(16, 52, 93)
HSL	hsl(212, 71%, 21%)
HSV	hsv(212, 83%, 36%)
CMYK	cmyk(82.8%, 44.1%, 0%, 63.5%)
CIE-LAB	lab(21.42, 3.74, -28.13)
CIE-LCH	lch(21.42, 28.38, 277.56°)
OKLab	oklab(32.34% -0.0228 -0.0804)
OKLCH	oklch(32.34% 0.084 254.2)
XYZ	xyz(3.4167, 3.3561, 10.8215)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10345D #5D3910

analogous

#105B5D #10345D #13105D

triadic

#10345D #5D1034 #345D10

tetradic

#10345D #5D105B #5D3910 #105D13

square

#10345D #5D105B #5D3910 #105D13

split-complementary

#10345D #5D1310 #5B5D10

monochromatic

#040F1A #071729 #10345D #195191 #226EC5

Accessibility & contrast

On white

12.57

#10345D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#10345D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10345D

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10345D	#FFFFFF	#000000	##FFFFFF
##10345D	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20375F

Deuteranopia (green-blind)

#13305C

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #10345d;
/* rgb */ color: rgb(16, 52, 93);
/* oklch */ color: oklch(32.3% 0.084 254.2);

Tailwind

colors: {
  custom: {
    50: '#5b6b8b',
    500: '#10345d',
    950: '#000000',
  },
}

SCSS

$custom: #10345d;
$custom-light: #5b6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#10345d",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 93
  },
  "hsl": {
    "h": 211.948,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32335,
    "c": 0.0836,
    "h": 254.2
  },
  "luminance": 0.03356
}

Semantic roles & 50–950 ramp

primary

#10345D

secondary

#966833

accent

#9A3AED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060C

muted

#797A7D

Preview Lab

Preview with #10345D

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

Preview Lab → · Contrast checker → · Palette generator →