#030A31#030A31

#030A31 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.2% C 0.078 H 266.6°. Best body text is #FFFFFF at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#030A31
RGB	rgb(3, 10, 49)
HSL	hsl(231, 88%, 10%)
HSV	hsv(231, 94%, 19%)
CMYK	cmyk(93.9%, 79.6%, 0%, 80.8%)
CIE-LAB	lab(4.14, 10.85, -25.39)
CIE-LCH	lch(4.14, 27.61, 293.14°)
OKLab	oklab(17.17% -0.0046 -0.0779)
OKLCH	oklch(17.17% 0.078 266.6)
XYZ	xyz(0.7003, 0.4581, 2.9566)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A31 #312A03

analogous

#032131 #030A31 #130331

triadic

#030A31 #31030A #0A3103

tetradic

#030A31 #310321 #312A03 #033113

square

#030A31 #310321 #312A03 #033113

split-complementary

#030A31 #311303 #213103

monochromatic

#02061D #02061D #030A31 #07166B #0A22A4

Accessibility & contrast

On white

19.24

#030A31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030A31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A31

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A31	#FFFFFF	#000000	##FFFFFF
##030A31	1.00	19.24	1.09	19.24
#FFFFFF	19.24	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001132

Deuteranopia (green-blind)

#000C30

Tritanopia (blue-blind)

#00151C

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #030a31;
/* rgb */ color: rgb(3, 10, 49);
/* oklch */ color: oklch(17.2% 0.078 266.6);

Tailwind

colors: {
  custom: {
    50: '#4a4b69',
    500: '#030a31',
    950: '#000000',
  },
}

SCSS

$custom: #030a31;
$custom-light: #4a4b69;
$custom-dark: #000000;

JSON

{
  "hex": "#030a31",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 49
  },
  "hsl": {
    "h": 230.87,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.17167,
    "c": 0.07807,
    "h": 266.6
  },
  "luminance": 0.00458
}

Semantic roles & 50–950 ramp

primary

#030A31

secondary

#74671B

accent

#DE29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030A31

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

Preview Lab → · Contrast checker → · Palette generator →