#030C31#030C31

#030C31 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.6% C 0.075 H 265.5°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#030C31
RGB	rgb(3, 12, 49)
HSL	hsl(228, 88%, 10%)
HSV	hsv(228, 94%, 19%)
CMYK	cmyk(93.9%, 75.5%, 0%, 80.8%)
CIE-LAB	lab(4.55, 10.00, -24.73)
CIE-LCH	lch(4.55, 26.68, 292.02°)
OKLab	oklab(17.63% -0.0058 -0.0749)
OKLCH	oklch(17.63% 0.075 265.5)
XYZ	xyz(0.7232, 0.5040, 2.9643)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030C31 #312803

analogous

#032331 #030C31 #110331

triadic

#030C31 #31030C #0C3103

tetradic

#030C31 #310323 #312803 #033111

square

#030C31 #310323 #312803 #033111

split-complementary

#030C31 #311103 #233103

monochromatic

#02071D #02071D #030C31 #071A6B #0A28A4

Accessibility & contrast

On white

19.08

#030C31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030C31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030C31

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030C31	#FFFFFF	#000000	##FFFFFF
##030C31	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001232

Deuteranopia (green-blind)

#000D30

Tritanopia (blue-blind)

#00161C

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #030c31;
/* rgb */ color: rgb(3, 12, 49);
/* oklch */ color: oklch(17.6% 0.075 265.5);

Tailwind

colors: {
  custom: {
    50: '#4a4c69',
    500: '#030c31',
    950: '#000000',
  },
}

SCSS

$custom: #030c31;
$custom-light: #4a4c69;
$custom-dark: #000000;

JSON

{
  "hex": "#030c31",
  "rgb": {
    "r": 3,
    "g": 12,
    "b": 49
  },
  "hsl": {
    "h": 228.261,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.17625,
    "c": 0.07515,
    "h": 265.5
  },
  "luminance": 0.00504
}

Semantic roles & 50–950 ramp

primary

#030C31

secondary

#74631B

accent

#D529FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030C31

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

Preview Lab → · Contrast checker → · Palette generator →