#0A233C#0A233C

#0A233C is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.057 H 251.1°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#0A233C
RGB	rgb(10, 35, 60)
HSL	hsl(210, 71%, 14%)
HSV	hsv(210, 83%, 24%)
CMYK	cmyk(83.3%, 41.7%, 0%, 76.5%)
CIE-LAB	lab(13.19, 0.76, -18.83)
CIE-LCH	lch(13.19, 18.84, 272.32°)
OKLab	oklab(25.15% -0.0183 -0.0536)
OKLCH	oklch(25.15% 0.057 251.1)
XYZ	xyz(1.5415, 1.5927, 4.5003)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A233C #3C230A

analogous

#0A3C3C #0A233C #0A0A3C

triadic

#0A233C #3C0A23 #233C0A

tetradic

#0A233C #3C0A3C #3C230A #0A3C0A

square

#0A233C #3C0A3C #3C230A #0A3C0A

split-complementary

#0A233C #3C0A0A #3C3C0A

monochromatic

#040F1A #040F1A #0A233C #134270 #1B60A5

Accessibility & contrast

On white

15.93

#0A233C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A233C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A233C

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A233C	#FFFFFF	#000000	##FFFFFF
##0A233C	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18243D

Deuteranopia (green-blind)

#10203C

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a233c;
/* rgb */ color: rgb(10, 35, 60);
/* oklch */ color: oklch(25.1% 0.057 251.1);

Tailwind

colors: {
  custom: {
    50: '#515d72',
    500: '#0a233c',
    950: '#000000',
  },
}

SCSS

$custom: #0a233c;
$custom-light: #515d72;
$custom-dark: #000000;

JSON

{
  "hex": "#0a233c",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 60
  },
  "hsl": {
    "h": 210,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.25146,
    "c": 0.05661,
    "h": 251.1
  },
  "luminance": 0.01593
}

Semantic roles & 50–950 ramp

primary

#0A233C

secondary

#795128

accent

#943AEE

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0A233C

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

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