#0A2643#0A2643

#0A2643 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.5% C 0.064 H 252.2°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#0A2643
RGB	rgb(10, 38, 67)
HSL	hsl(211, 74%, 15%)
HSV	hsv(211, 85%, 26%)
CMYK	cmyk(85.1%, 43.3%, 0%, 73.7%)
CIE-LAB	lab(14.71, 1.66, -21.30)
CIE-LCH	lch(14.71, 21.36, 274.45°)
OKLab	oklab(26.49% -0.0195 -0.0607)
OKLCH	oklch(26.49% 0.064 252.2)
XYZ	xyz(1.8310, 1.8558, 5.5708)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2643 #43270A

analogous

#0A4343 #0A2643 #0A0A43

triadic

#0A2643 #430A26 #26430A

tetradic

#0A2643 #430A43 #43270A #0A430A

square

#0A2643 #430A43 #43270A #0A430A

split-complementary

#0A2643 #430A0A #43430A

monochromatic

#040F1B #040F1B #0A2643 #124478 #1A62AE

Accessibility & contrast

On white

15.32

#0A2643 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0A2643 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2643

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2643	#FFFFFF	#000000	##FFFFFF
##0A2643	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182844

Deuteranopia (green-blind)

#102342

Tritanopia (blue-blind)

#002D31

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a2643;
/* rgb */ color: rgb(10, 38, 67);
/* oklch */ color: oklch(26.5% 0.064 252.2);

Tailwind

colors: {
  custom: {
    50: '#535f77',
    500: '#0a2643',
    950: '#000000',
  },
}

SCSS

$custom: #0a2643;
$custom-light: #535f77;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2643",
  "rgb": {
    "r": 10,
    "g": 38,
    "b": 67
  },
  "hsl": {
    "h": 210.526,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26489,
    "c": 0.06379,
    "h": 252.2
  },
  "luminance": 0.01856
}

Semantic roles & 50–950 ramp

primary

#0A2643

secondary

#805529

accent

#9637F1

background

#F5F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0A2643

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

Preview Lab → · Contrast checker → · Palette generator →