#0A273E#0A273E

#0A273E is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.4% C 0.055 H 246.1°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#0A273E
RGB	rgb(10, 39, 62)
HSL	hsl(207, 72%, 14%)
HSV	hsv(207, 84%, 24%)
CMYK	cmyk(83.9%, 37.1%, 0%, 75.7%)
CIE-LAB	lab(14.75, -1.29, -17.76)
CIE-LCH	lch(14.75, 17.80, 265.86°)
OKLab	oklab(26.42% -0.0223 -0.0503)
OKLCH	oklch(26.42% 0.055 246.1)
XYZ	xyz(1.7199, 1.8632, 4.8255)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A273E #3E210A

analogous

#0A3E3B #0A273E #0A0D3E

triadic

#0A273E #3E0A27 #273E0A

tetradic

#0A273E #3B0A3E #3E210A #0D3E0A

square

#0A273E #3B0A3E #3E210A #0D3E0A

split-complementary

#0A273E #3E0A0D #3E3B0A

monochromatic

#04111A #04111A #0A273E #134873 #1B69A7

Accessibility & contrast

On white

15.30

#0A273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0A273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A273E

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A273E	#FFFFFF	#000000	##FFFFFF
##0A273E	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D283F

Deuteranopia (green-blind)

#15233E

Tritanopia (blue-blind)

#002D2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a273e;
/* rgb */ color: rgb(10, 39, 62);
/* oklch */ color: oklch(26.4% 0.055 246.1);

Tailwind

colors: {
  custom: {
    50: '#526073',
    500: '#0a273e',
    950: '#000000',
  },
}

SCSS

$custom: #0a273e;
$custom-light: #526073;
$custom-dark: #000000;

JSON

{
  "hex": "#0a273e",
  "rgb": {
    "r": 10,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 206.538,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.26417,
    "c": 0.05507,
    "h": 246.1
  },
  "luminance": 0.01863
}

Semantic roles & 50–950 ramp

primary

#0A273E

secondary

#7B4D28

accent

#8939EF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020508

muted

#78797B

Preview Lab

Preview with #0A273E

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

Preview Lab → · Contrast checker → · Palette generator →