#0A2F40#0A2F40

#0A2F40 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.8% C 0.051 H 232.7°. Best body text is #FFFFFF at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F40
RGB	rgb(10, 47, 64)
HSL	hsl(199, 73%, 15%)
HSV	hsv(199, 84%, 25%)
CMYK	cmyk(84.4%, 26.6%, 0%, 74.9%)
CIE-LAB	lab(17.77, -6.01, -14.41)
CIE-LCH	lch(17.77, 15.62, 247.37°)
OKLab	oklab(28.85% -0.0309 -0.0406)
OKLCH	oklch(28.85% 0.051 232.7)
XYZ	xyz(2.0667, 2.4675, 5.2168)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F40 #401B0A

analogous

#0A4036 #0A2F40 #0A1440

triadic

#0A2F40 #400A2F #2F400A

tetradic

#0A2F40 #360A40 #401B0A #14400A

square

#0A2F40 #360A40 #401B0A #14400A

split-complementary

#0A2F40 #400A14 #40360A

monochromatic

#04131A #04131A #0A2F40 #125675 #1B7DAA

Accessibility & contrast

On white

14.06

#0A2F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#0A2F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F40

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F40	#FFFFFF	#000000	##FFFFFF
##0A2F40	1.00	14.06	1.49	14.06
#FFFFFF	14.06	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272E41

Deuteranopia (green-blind)

#1F2940

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0a2f40;
/* rgb */ color: rgb(10, 47, 64);
/* oklch */ color: oklch(28.8% 0.051 232.7);

Tailwind

colors: {
  custom: {
    50: '#536775',
    500: '#0a2f40',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f40;
$custom-light: #536775;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f40",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 64
  },
  "hsl": {
    "h": 198.889,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.28848,
    "c": 0.05101,
    "h": 232.7
  },
  "luminance": 0.02468
}

Semantic roles & 50–950 ramp

primary

#0A2F40

secondary

#7D4329

accent

#7238F0

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A2F40

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

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