#0A1127#0A1127

#0A1127 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.5% C 0.046 H 268.4°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#0A1127
RGB	rgb(10, 17, 39)
HSL	hsl(226, 59%, 10%)
HSV	hsv(226, 74%, 15%)
CMYK	cmyk(74.4%, 56.4%, 0%, 84.7%)
CIE-LAB	lab(5.53, 4.51, -15.66)
CIE-LCH	lch(5.53, 16.30, 286.07°)
OKLab	oklab(18.49% -0.0013 -0.0461)
OKLCH	oklch(18.49% 0.046 268.4)
XYZ	xyz(0.6917, 0.6119, 2.0007)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1127 #27200A

analogous

#0A2027 #0A1127 #120A27

triadic

#0A1127 #270A11 #11270A

tetradic

#0A1127 #270A20 #27200A #0A2712

square

#0A1127 #270A20 #27200A #0A2712

split-complementary

#0A1127 #27120A #20270A

monochromatic

#060B18 #060B18 #0A1127 #162658 #233B88

Accessibility & contrast

On white

18.71

#0A1127 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A1127 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1127

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1127	#FFFFFF	#000000	##FFFFFF
##0A1127	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071428

Deuteranopia (green-blind)

#041127

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0a1127;
/* rgb */ color: rgb(10, 17, 39);
/* oklch */ color: oklch(18.5% 0.046 268.4);

Tailwind

colors: {
  custom: {
    50: '#4c4f61',
    500: '#0a1127',
    950: '#000000',
  },
}

SCSS

$custom: #0a1127;
$custom-light: #4c4f61;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1127",
  "rgb": {
    "r": 10,
    "g": 17,
    "b": 39
  },
  "hsl": {
    "h": 225.517,
    "s": 59.184,
    "l": 9.608
  },
  "oklch": {
    "l": 0.18485,
    "c": 0.04617,
    "h": 268.4
  },
  "luminance": 0.00612
}

Semantic roles & 50–950 ramp

primary

#0A1127

secondary

#645529

accent

#BC45E2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010105

muted

#777779

Preview Lab

Preview with #0A1127

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

Preview Lab → · Contrast checker → · Palette generator →