#0A153E#0A153E

#0A153E is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.080 H 267.7°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#0A153E
RGB	rgb(10, 21, 62)
HSL	hsl(227, 72%, 14%)
HSV	hsv(227, 84%, 24%)
CMYK	cmyk(83.9%, 66.1%, 0%, 75.7%)
CIE-LAB	lab(8.55, 12.57, -27.69)
CIE-LCH	lch(8.55, 30.41, 294.42°)
OKLab	oklab(21.64% -0.0032 -0.0799)
OKLCH	oklch(21.64% 0.08 267.7)
XYZ	xyz(1.2625, 0.9485, 4.6730)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A153E #3E330A

analogous

#0A2F3E #0A153E #190A3E

triadic

#0A153E #3E0A15 #153E0A

tetradic

#0A153E #3E0A2F #3E330A #0A3E19

square

#0A153E #3E0A2F #3E330A #0A3E19

split-complementary

#0A153E #3E190A #2F3E0A

monochromatic

#04091A #04091A #0A153E #132773 #1B39A7

Accessibility & contrast

On white

17.65

#0A153E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A153E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A153E

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A153E	#FFFFFF	#000000	##FFFFFF
##0A153E	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3F

Deuteranopia (green-blind)

#00163D

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0a153e;
/* rgb */ color: rgb(10, 21, 62);
/* oklch */ color: oklch(21.6% 0.080 267.7);

Tailwind

colors: {
  custom: {
    50: '#525174',
    500: '#0a153e',
    950: '#000000',
  },
}

SCSS

$custom: #0a153e;
$custom-light: #525174;
$custom-dark: #000000;

JSON

{
  "hex": "#0a153e",
  "rgb": {
    "r": 10,
    "g": 21,
    "b": 62
  },
  "hsl": {
    "h": 227.308,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21642,
    "c": 0.07994,
    "h": 267.7
  },
  "luminance": 0.00949
}

Semantic roles & 50–950 ramp

primary

#0A153E

secondary

#7B6A28

accent

#C839EF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0A153E

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

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