#0A2437#0A2437

#0A2437 is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.048 H 243.6°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#0A2437
RGB	rgb(10, 36, 55)
HSL	hsl(205, 69%, 13%)
HSV	hsv(205, 82%, 22%)
CMYK	cmyk(81.8%, 34.5%, 0%, 78.4%)
CIE-LAB	lab(13.24, -2.17, -15.21)
CIE-LCH	lch(13.24, 15.36, 261.88°)
OKLab	oklab(25.09% -0.0213 -0.043)
OKLCH	oklch(25.09% 0.048 243.6)
XYZ	xyz(1.4454, 1.6020, 3.8467)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2437 #371D0A

analogous

#0A3733 #0A2437 #0A0E37

triadic

#0A2437 #370A24 #24370A

tetradic

#0A2437 #330A37 #371D0A #0E370A

square

#0A2437 #330A37 #371D0A #0E370A

split-complementary

#0A2437 #370A0E #37330A

monochromatic

#05111A #05111A #0A2437 #13466B #1D689F

Accessibility & contrast

On white

15.90

#0A2437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A2437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2437

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2437	#FFFFFF	#000000	##FFFFFF
##0A2437	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2438

Deuteranopia (green-blind)

#152037

Tritanopia (blue-blind)

#00292B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a2437;
/* rgb */ color: rgb(10, 36, 55);
/* oklch */ color: oklch(25.1% 0.048 243.6);

Tailwind

colors: {
  custom: {
    50: '#505e6e',
    500: '#0a2437',
    950: '#000000',
  },
}

SCSS

$custom: #0a2437;
$custom-light: #505e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2437",
  "rgb": {
    "r": 10,
    "g": 36,
    "b": 55
  },
  "hsl": {
    "h": 205.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.25089,
    "c": 0.04797,
    "h": 243.6
  },
  "luminance": 0.01602
}

Semantic roles & 50–950 ramp

primary

#0A2437

secondary

#744828

accent

#863CEC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020407

muted

#78797A

Preview Lab

Preview with #0A2437

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

Preview Lab → · Contrast checker → · Palette generator →