#0A2F43#0A2F43

#0A2F43 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.0% C 0.055 H 237.0°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#0A2F43
RGB	rgb(10, 47, 67)
HSL	hsl(201, 74%, 15%)
HSV	hsv(201, 85%, 26%)
CMYK	cmyk(85.1%, 29.9%, 0%, 73.7%)
CIE-LAB	lab(17.93, -4.75, -16.22)
CIE-LCH	lch(17.93, 16.90, 253.69°)
OKLab	oklab(29.03% -0.0297 -0.0458)
OKLCH	oklch(29.03% 0.055 237)
XYZ	xyz(2.1544, 2.5026, 5.6786)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2F43 #431E0A

analogous

#0A433B #0A2F43 #0A1243

triadic

#0A2F43 #430A2F #2F430A

tetradic

#0A2F43 #3B0A43 #431E0A #12430A

square

#0A2F43 #3B0A43 #431E0A #12430A

split-complementary

#0A2F43 #430A12 #433B0A

monochromatic

#04131B #04131B #0A2F43 #125478 #1A7AAE

Accessibility & contrast

On white

13.99

#0A2F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#0A2F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2F43

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2F43	#FFFFFF	#000000	##FFFFFF
##0A2F43	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252F44

Deuteranopia (green-blind)

#1E2943

Tritanopia (blue-blind)

#003436

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0a2f43;
/* rgb */ color: rgb(10, 47, 67);
/* oklch */ color: oklch(29.0% 0.055 237.0);

Tailwind

colors: {
  custom: {
    50: '#536777',
    500: '#0a2f43',
    950: '#000000',
  },
}

SCSS

$custom: #0a2f43;
$custom-light: #536777;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2f43",
  "rgb": {
    "r": 10,
    "g": 47,
    "b": 67
  },
  "hsl": {
    "h": 201.053,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.29027,
    "c": 0.05456,
    "h": 237
  },
  "luminance": 0.02503
}

Semantic roles & 50–950 ramp

primary

#0A2F43

secondary

#804729

accent

#7837F1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A2F43

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

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