#0A053D#0A053D

#0A053D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.100 H 274.8°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#0A053D
RGB	rgb(10, 5, 61)
HSL	hsl(245, 85%, 13%)
HSV	hsv(245, 92%, 24%)
CMYK	cmyk(83.6%, 91.8%, 0%, 76.1%)
CIE-LAB	lab(4.61, 21.52, -33.41)
CIE-LCH	lch(4.61, 39.74, 302.79°)
OKLab	oklab(18.29% 0.0083 -0.0998)
OKLCH	oklch(18.29% 0.1 274.8)
XYZ	xyz(1.0215, 0.5099, 4.4586)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A053D #383D05

analogous

#051C3D #0A053D #26053D

triadic

#0A053D #3D0A05 #053D0A

tetradic

#0A053D #3D051C #383D05 #053D26

square

#0A053D #3D051C #383D05 #053D26

split-complementary

#0A053D #3D2605 #1C3D05

monochromatic

#05021C #05021C #0A053D #130A76 #1D0EAE

Accessibility & contrast

On white

19.06

#0A053D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A053D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A053D

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A053D	#FFFFFF	#000000	##FFFFFF
##0A053D	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123F

Deuteranopia (green-blind)

#000D3C

Tritanopia (blue-blind)

#001621

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a053d;
/* rgb */ color: rgb(10, 5, 61);
/* oklch */ color: oklch(18.3% 0.100 274.8);

Tailwind

colors: {
  custom: {
    50: '#534873',
    500: '#0a053d',
    950: '#000000',
  },
}

SCSS

$custom: #0a053d;
$custom-light: #534873;
$custom-dark: #000000;

JSON

{
  "hex": "#0a053d",
  "rgb": {
    "r": 10,
    "g": 5,
    "b": 61
  },
  "hsl": {
    "h": 245.357,
    "s": 84.848,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18291,
    "c": 0.10014,
    "h": 274.8
  },
  "luminance": 0.0051
}

Semantic roles & 50–950 ramp

primary

#0A053D

secondary

#757E20

accent

#FB2DE9

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0A053D

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

Preview Lab → · Contrast checker → · Palette generator →