#0A052E#0A052E

#0A052E is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.3% C 0.078 H 279.7°. Best body text is #FFFFFF at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#0A052E
RGB	rgb(10, 5, 46)
HSL	hsl(247, 80%, 10%)
HSV	hsv(247, 89%, 18%)
CMYK	cmyk(78.3%, 89.1%, 0%, 82%)
CIE-LAB	lab(3.34, 13.13, -24.39)
CIE-LCH	lch(3.34, 27.70, 298.29°)
OKLab	oklab(16.29% 0.0132 -0.0774)
OKLCH	oklch(16.29% 0.078 279.7)
XYZ	xyz(0.6724, 0.3703, 2.6203)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A052E #292E05

analogous

#05152E #0A052E #1E052E

triadic

#0A052E #2E0A05 #052E0A

tetradic

#0A052E #2E0515 #292E05 #052E1E

square

#0A052E #2E0515 #292E05 #052E1E

split-complementary

#0A052E #2E1E05 #152E05

monochromatic

#06031C #06031C #0A052E #160B65 #22119C

Accessibility & contrast

On white

19.55

#0A052E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0A052E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A052E

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A052E	#FFFFFF	#000000	##FFFFFF
##0A052E	1.00	19.55	1.07	19.55
#FFFFFF	19.55	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2F

Deuteranopia (green-blind)

#000A2D

Tritanopia (blue-blind)

#001018

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0a052e;
/* rgb */ color: rgb(10, 5, 46);
/* oklch */ color: oklch(16.3% 0.078 279.7);

Tailwind

colors: {
  custom: {
    50: '#4d4867',
    500: '#0a052e',
    950: '#000000',
  },
}

SCSS

$custom: #0a052e;
$custom-light: #4d4867;
$custom-dark: #000000;

JSON

{
  "hex": "#0a052e",
  "rgb": {
    "r": 10,
    "g": 5,
    "b": 46
  },
  "hsl": {
    "h": 247.317,
    "s": 80.392,
    "l": 10
  },
  "oklch": {
    "l": 0.16288,
    "c": 0.07847,
    "h": 279.7
  },
  "luminance": 0.0037
}

Semantic roles & 50–950 ramp

primary

#0A052E

secondary

#66701F

accent

#F731DF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #0A052E

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

Preview Lab → · Contrast checker → · Palette generator →