#03112F#03112F

#03112F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.064 H 261.2°. Best body text is #FFFFFF at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#03112F
RGB	rgb(3, 17, 47)
HSL	hsl(221, 88%, 10%)
HSV	hsv(221, 94%, 18%)
CMYK	cmyk(93.6%, 63.8%, 0%, 81.6%)
CIE-LAB	lab(5.65, 6.41, -21.49)
CIE-LCH	lch(5.65, 22.43, 286.61°)
OKLab	oklab(18.68% -0.0098 -0.0634)
OKLCH	oklch(18.68% 0.064 261.2)
XYZ	xyz(0.7509, 0.6254, 2.7699)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03112F #2F2103

analogous

#03272F #03112F #0B032F

triadic

#03112F #2F0311 #112F03

tetradic

#03112F #2F0327 #2F2103 #032F0B

square

#03112F #2F0327 #2F2103 #032F0B

split-complementary

#03112F #2F0B03 #272F03

monochromatic

#020A1D #020A1D #03112F #072669 #0A3BA2

Accessibility & contrast

On white

18.67

#03112F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#03112F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03112F

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03112F	#FFFFFF	#000000	##FFFFFF
##03112F	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)

#011530

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#00181D

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #03112f;
/* rgb */ color: rgb(3, 17, 47);
/* oklch */ color: oklch(18.7% 0.064 261.2);

Tailwind

colors: {
  custom: {
    50: '#4a4f68',
    500: '#03112f',
    950: '#000000',
  },
}

SCSS

$custom: #03112f;
$custom-light: #4a4f68;
$custom-dark: #000000;

JSON

{
  "hex": "#03112f",
  "rgb": {
    "r": 3,
    "g": 17,
    "b": 47
  },
  "hsl": {
    "h": 220.909,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18677,
    "c": 0.06412,
    "h": 261.2
  },
  "luminance": 0.00625
}

Semantic roles & 50–950 ramp

primary

#03112F

secondary

#73571B

accent

#BB2AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #03112F

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

Preview Lab → · Contrast checker → · Palette generator →