#10365D#10365D

#10365D is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.9% C 0.081 H 252.2°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#10365D
RGB	rgb(16, 54, 93)
HSL	hsl(210, 71%, 21%)
HSV	hsv(210, 83%, 36%)
CMYK	cmyk(82.8%, 41.9%, 0%, 63.5%)
CIE-LAB	lab(22.08, 2.32, -27.07)
CIE-LCH	lch(22.08, 27.17, 274.90°)
OKLab	oklab(32.85% -0.0248 -0.0773)
OKLCH	oklch(32.85% 0.081 252.2)
XYZ	xyz(3.5079, 3.5384, 10.8519)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10365D #5D3710

analogous

#105D5D #10365D #11105D

triadic

#10365D #5D1036 #365D10

tetradic

#10365D #5D105D #5D3710 #105D11

square

#10365D #5D105D #5D3710 #105D11

split-complementary

#10365D #5D1110 #5D5D10

monochromatic

#040F1A #071829 #10365D #195491 #2273C5

Accessibility & contrast

On white

12.30

#10365D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#10365D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10365D

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10365D	#FFFFFF	#000000	##FFFFFF
##10365D	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23395F

Deuteranopia (green-blind)

#17325C

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #10365d;
/* rgb */ color: rgb(16, 54, 93);
/* oklch */ color: oklch(32.9% 0.081 252.2);

Tailwind

colors: {
  custom: {
    50: '#5b6c8b',
    500: '#10365d',
    950: '#000000',
  },
}

SCSS

$custom: #10365d;
$custom-light: #5b6c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#10365d",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 93
  },
  "hsl": {
    "h": 210.39,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.32854,
    "c": 0.08115,
    "h": 252.2
  },
  "luminance": 0.03539
}

Semantic roles & 50–950 ramp

primary

#10365D

secondary

#966533

accent

#953AED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070C

muted

#797A7D

Preview Lab

Preview with #10365D

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

Preview Lab → · Contrast checker → · Palette generator →