#0A2140#0A2140

#0A2140 is a very dark, moderate cyan. Relative luminance 0.015; OKLCH L 24.9% C 0.066 H 256.8°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#0A2140
RGB	rgb(10, 33, 64)
HSL	hsl(214, 73%, 15%)
HSV	hsv(214, 84%, 25%)
CMYK	cmyk(84.4%, 48.4%, 0%, 74.9%)
CIE-LAB	lab(12.75, 4.07, -22.34)
CIE-LCH	lch(12.75, 22.70, 280.33°)
OKLab	oklab(24.89% -0.0149 -0.0639)
OKLCH	oklch(24.89% 0.066 256.8)
XYZ	xyz(1.5941, 1.5222, 5.0593)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2140 #40290A

analogous

#0A3C40 #0A2140 #0E0A40

triadic

#0A2140 #400A21 #21400A

tetradic

#0A2140 #400A3C #40290A #0A400E

square

#0A2140 #400A3C #40290A #0A400E

split-complementary

#0A2140 #400E0A #3C400A

monochromatic

#040E1A #040E1A #0A2140 #123C75 #1B58AA

Accessibility & contrast

On white

16.10

#0A2140 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0A2140 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2140

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2140	#FFFFFF	#000000	##FFFFFF
##0A2140	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122441

Deuteranopia (green-blind)

#081F3F

Tritanopia (blue-blind)

#00282D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a2140;
/* rgb */ color: rgb(10, 33, 64);
/* oklch */ color: oklch(24.9% 0.066 256.8);

Tailwind

colors: {
  custom: {
    50: '#525b75',
    500: '#0a2140',
    950: '#000000',
  },
}

SCSS

$custom: #0a2140;
$custom-light: #525b75;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2140",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 64
  },
  "hsl": {
    "h": 214.444,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24894,
    "c": 0.0656,
    "h": 256.8
  },
  "luminance": 0.01522
}

Semantic roles & 50–950 ramp

primary

#0A2140

secondary

#7D5929

accent

#A138F0

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0A2140

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

Preview Lab → · Contrast checker → · Palette generator →