#10335B#10335B

#10335B is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.9% C 0.082 H 254.2°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#10335B
RGB	rgb(16, 51, 91)
HSL	hsl(212, 70%, 21%)
HSV	hsv(212, 82%, 36%)
CMYK	cmyk(82.4%, 44%, 0%, 64.3%)
CIE-LAB	lab(20.95, 3.59, -27.55)
CIE-LCH	lch(20.95, 27.79, 277.42°)
OKLab	oklab(31.93% -0.0223 -0.0787)
OKLCH	oklch(31.93% 0.082 254.2)
XYZ	xyz(3.2851, 3.2328, 10.3463)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10335B #5B3810

analogous

#10585B #10335B #12105B

triadic

#10335B #5B1033 #335B10

tetradic

#10335B #5B1058 #5B3810 #105B12

square

#10335B #5B1058 #5B3810 #105B12

split-complementary

#10335B #5B1210 #585B10

monochromatic

#050F1A #071627 #10335B #19508F #226DC3

Accessibility & contrast

On white

12.75

#10335B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#10335B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10335B

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10335B	#FFFFFF	#000000	##FFFFFF
##10335B	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20365D

Deuteranopia (green-blind)

#132F5A

Tritanopia (blue-blind)

#003C42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #10335b;
/* rgb */ color: rgb(16, 51, 91);
/* oklch */ color: oklch(31.9% 0.082 254.2);

Tailwind

colors: {
  custom: {
    50: '#5b6a8a',
    500: '#10335b',
    950: '#000000',
  },
}

SCSS

$custom: #10335b;
$custom-light: #5b6a8a;
$custom-dark: #000000;

JSON

{
  "hex": "#10335b",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 91
  },
  "hsl": {
    "h": 212,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31931,
    "c": 0.08185,
    "h": 254.2
  },
  "luminance": 0.03233
}

Semantic roles & 50–950 ramp

primary

#10335B

secondary

#946733

accent

#9A3BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #10335B

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

Preview Lab → · Contrast checker → · Palette generator →