#010C31#010C31

#010C31 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.076 H 262.8°. Best body text is #FFFFFF at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#010C31
RGB	rgb(1, 12, 49)
HSL	hsl(226, 96%, 10%)
HSV	hsv(226, 98%, 19%)
CMYK	cmyk(98%, 75.5%, 0%, 80.8%)
CIE-LAB	lab(4.44, 9.48, -24.92)
CIE-LCH	lch(4.44, 26.67, 290.83°)
OKLab	oklab(17.45% -0.0095 -0.0758)
OKLCH	oklch(17.45% 0.076 262.8)
XYZ	xyz(0.6982, 0.4911, 2.9631)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.96

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C31 #312601

analogous

#012431 #010C31 #0E0131

triadic

#010C31 #31010C #0C3101

tetradic

#010C31 #310124 #312601 #01310E

square

#010C31 #310124 #312601 #01310E

split-complementary

#010C31 #310E01 #243101

monochromatic

#01071E #01071E #010C31 #021B6D #0329A9

Accessibility & contrast

On white

19.12

#010C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C31

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C31	#FFFFFF	#000000	##FFFFFF
##010C31	1.00	19.12	1.10	19.12
#FFFFFF	19.12	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001232

Deuteranopia (green-blind)

#000D30

Tritanopia (blue-blind)

#00161C

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010c31;
/* rgb */ color: rgb(1, 12, 49);
/* oklch */ color: oklch(17.4% 0.076 262.8);

Tailwind

colors: {
  custom: {
    50: '#494c69',
    500: '#010c31',
    950: '#000000',
  },
}

SCSS

$custom: #010c31;
$custom-light: #494c69;
$custom-dark: #000000;

JSON

{
  "hex": "#010c31",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 49
  },
  "hsl": {
    "h": 226.25,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.17449,
    "c": 0.07644,
    "h": 262.8
  },
  "luminance": 0.00491
}

Semantic roles & 50–950 ramp

primary

#010C31

secondary

#776117

accent

#CE29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010C31

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

Preview Lab → · Contrast checker → · Palette generator →