#0A2843#0A2843

#0A2843 is a dark, moderate cyan. Relative luminance 0.020; OKLCH L 27.0% C 0.061 H 249.3°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#0A2843
RGB	rgb(10, 40, 67)
HSL	hsl(208, 74%, 15%)
HSV	hsv(208, 85%, 26%)
CMYK	cmyk(85.1%, 40.3%, 0%, 73.7%)
CIE-LAB	lab(15.42, 0.19, -20.17)
CIE-LCH	lch(15.42, 20.17, 270.54°)
OKLab	oklab(27.04% -0.0217 -0.0574)
OKLCH	oklch(27.04% 0.061 249.3)
XYZ	xyz(1.8967, 1.9871, 5.5927)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2843 #43250A

analogous

#0A4341 #0A2843 #0A0C43

triadic

#0A2843 #430A28 #28430A

tetradic

#0A2843 #410A43 #43250A #0C430A

square

#0A2843 #410A43 #43250A #0C430A

split-complementary

#0A2843 #430A0C #43410A

monochromatic

#04101B #04101B #0A2843 #124878 #1A68AE

Accessibility & contrast

On white

15.03

#0A2843 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0A2843 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2843

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2843	#FFFFFF	#000000	##FFFFFF
##0A2843	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C2944

Deuteranopia (green-blind)

#132442

Tritanopia (blue-blind)

#002E32

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2843;
/* rgb */ color: rgb(10, 40, 67);
/* oklch */ color: oklch(27.0% 0.061 249.3);

Tailwind

colors: {
  custom: {
    50: '#536177',
    500: '#0a2843',
    950: '#000000',
  },
}

SCSS

$custom: #0a2843;
$custom-light: #536177;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2843",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 67
  },
  "hsl": {
    "h": 208.421,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.27044,
    "c": 0.06138,
    "h": 249.3
  },
  "luminance": 0.01987
}

Semantic roles & 50–950 ramp

primary

#0A2843

secondary

#805229

accent

#8F37F1

background

#F5F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0A2843

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

Preview Lab → · Contrast checker → · Palette generator →