#051031#051031

#051031 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.068 H 265.2°. Best body text is #FFFFFF at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#051031
RGB	rgb(5, 16, 49)
HSL	hsl(225, 81%, 11%)
HSV	hsv(225, 90%, 19%)
CMYK	cmyk(89.8%, 67.3%, 0%, 80.8%)
CIE-LAB	lab(5.64, 8.54, -22.98)
CIE-LCH	lch(5.64, 24.52, 290.39°)
OKLab	oklab(18.77% -0.0057 -0.0677)
OKLCH	oklch(18.77% 0.068 265.2)
XYZ	xyz(0.8021, 0.6245, 2.9834)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051031 #312605

analogous

#052631 #051031 #100531

triadic

#051031 #310510 #103105

tetradic

#051031 #310526 #312605 #053110

square

#051031 #310526 #312605 #053110

split-complementary

#051031 #311005 #263105

monochromatic

#03091C #03091C #051031 #0B2269 #1034A0

Accessibility & contrast

On white

18.67

#051031 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#051031 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051031

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051031	#FFFFFF	#000000	##FFFFFF
##051031	1.00	18.67	1.13	18.67
#FFFFFF	18.67	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001532

Deuteranopia (green-blind)

#001030

Tritanopia (blue-blind)

#00181E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #051031;
/* rgb */ color: rgb(5, 16, 49);
/* oklch */ color: oklch(18.8% 0.068 265.2);

Tailwind

colors: {
  custom: {
    50: '#4c4e69',
    500: '#051031',
    950: '#000000',
  },
}

SCSS

$custom: #051031;
$custom-light: #4c4e69;
$custom-dark: #000000;

JSON

{
  "hex": "#051031",
  "rgb": {
    "r": 5,
    "g": 16,
    "b": 49
  },
  "hsl": {
    "h": 225,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.1877,
    "c": 0.06794,
    "h": 265.2
  },
  "luminance": 0.00625
}

Semantic roles & 50–950 ramp

primary

#051031

secondary

#725E1F

accent

#C630F8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #051031

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

Preview Lab → · Contrast checker → · Palette generator →