#0A2847#0A2847

#0A2847 is a dark, moderate cyan. Relative luminance 0.020; OKLCH L 27.3% C 0.067 H 252.3°. Best body text is #FFFFFF at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#0A2847
RGB	rgb(10, 40, 71)
HSL	hsl(210, 75%, 16%)
HSV	hsv(210, 86%, 28%)
CMYK	cmyk(85.9%, 43.7%, 0%, 72.2%)
CIE-LAB	lab(15.68, 1.97, -22.52)
CIE-LCH	lch(15.68, 22.60, 275.00°)
OKLab	oklab(27.33% -0.0205 -0.0643)
OKLCH	oklch(27.33% 0.067 252.3)
XYZ	xyz(2.0209, 2.0368, 6.2466)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2847 #47290A

analogous

#0A4647 #0A2847 #0A0A47

triadic

#0A2847 #470A28 #28470A

tetradic

#0A2847 #470A46 #47290A #0A470A

square

#0A2847 #470A46 #47290A #0A470A

split-complementary

#0A2847 #470A0A #46470A

monochromatic

#040F1B #040F1B #0A2847 #12467D #1964B2

Accessibility & contrast

On white

14.92

#0A2847 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0A2847 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2847

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2847	#FFFFFF	#000000	##FFFFFF
##0A2847	1.00	14.92	1.41	14.92
#FFFFFF	14.92	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192A48

Deuteranopia (green-blind)

#102546

Tritanopia (blue-blind)

#002F34

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2847;
/* rgb */ color: rgb(10, 40, 71);
/* oklch */ color: oklch(27.3% 0.067 252.3);

Tailwind

colors: {
  custom: {
    50: '#54617a',
    500: '#0a2847',
    950: '#000000',
  },
}

SCSS

$custom: #0a2847;
$custom-light: #54617a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2847",
  "rgb": {
    "r": 10,
    "g": 40,
    "b": 71
  },
  "hsl": {
    "h": 210.492,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.27331,
    "c": 0.06746,
    "h": 252.3
  },
  "luminance": 0.02037
}

Semantic roles & 50–950 ramp

primary

#0A2847

secondary

#845729

accent

#9536F2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030509

muted

#78797B

Preview Lab

Preview with #0A2847

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

Preview Lab → · Contrast checker → · Palette generator →