#0A2D43#0A2D43

#0A2D43 is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.5% C 0.056 H 240.8°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#0A2D43
RGB	rgb(10, 45, 67)
HSL	hsl(203, 74%, 15%)
HSV	hsv(203, 85%, 26%)
CMYK	cmyk(85.1%, 32.8%, 0%, 73.7%)
CIE-LAB	lab(17.21, -3.37, -17.35)
CIE-LCH	lch(17.21, 17.68, 259.01°)
OKLab	oklab(28.46% -0.0274 -0.0491)
OKLCH	oklch(28.46% 0.056 240.8)
XYZ	xyz(2.0763, 2.3463, 5.6526)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2D43 #43200A

analogous

#0A433C #0A2D43 #0A1043

triadic

#0A2D43 #430A2D #2D430A

tetradic

#0A2D43 #3C0A43 #43200A #10430A

square

#0A2D43 #3C0A43 #43200A #10430A

split-complementary

#0A2D43 #430A10 #433C0A

monochromatic

#04121B #04121B #0A2D43 #125178 #1A75AE

Accessibility & contrast

On white

14.29

#0A2D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0A2D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2D43

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2D43	#FFFFFF	#000000	##FFFFFF
##0A2D43	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232D44

Deuteranopia (green-blind)

#1B2843

Tritanopia (blue-blind)

#003235

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0a2d43;
/* rgb */ color: rgb(10, 45, 67);
/* oklch */ color: oklch(28.5% 0.056 240.8);

Tailwind

colors: {
  custom: {
    50: '#536577',
    500: '#0a2d43',
    950: '#000000',
  },
}

SCSS

$custom: #0a2d43;
$custom-light: #536577;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2d43",
  "rgb": {
    "r": 10,
    "g": 45,
    "b": 67
  },
  "hsl": {
    "h": 203.158,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.28455,
    "c": 0.05621,
    "h": 240.8
  },
  "luminance": 0.02347
}

Semantic roles & 50–950 ramp

primary

#0A2D43

secondary

#804A29

accent

#7F37F1

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #0A2D43

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

Preview Lab → · Contrast checker → · Palette generator →