#030B30#030B30

#030B30 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.3% C 0.075 H 266.0°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#030B30
RGB	rgb(3, 11, 48)
HSL	hsl(229, 88%, 10%)
HSV	hsv(229, 94%, 19%)
CMYK	cmyk(93.8%, 77.1%, 0%, 81.2%)
CIE-LAB	lab(4.26, 9.91, -24.45)
CIE-LCH	lch(4.26, 26.38, 292.06°)
OKLab	oklab(17.27% -0.0052 -0.0748)
OKLCH	oklch(17.27% 0.075 266)
XYZ	xyz(0.6905, 0.4720, 2.8504)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030B30 #302803

analogous

#032230 #030B30 #110330

triadic

#030B30 #30030B #0B3003

tetradic

#030B30 #300322 #302803 #033011

square

#030B30 #300322 #302803 #033011

split-complementary

#030B30 #301103 #223003

monochromatic

#02071D #02071D #030B30 #07186A #0A25A3

Accessibility & contrast

On white

19.19

#030B30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030B30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030B30

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030B30	#FFFFFF	#000000	##FFFFFF
##030B30	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001131

Deuteranopia (green-blind)

#000D2F

Tritanopia (blue-blind)

#00151C

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #030b30;
/* rgb */ color: rgb(3, 11, 48);
/* oklch */ color: oklch(17.3% 0.075 266.0);

Tailwind

colors: {
  custom: {
    50: '#4a4b68',
    500: '#030b30',
    950: '#000000',
  },
}

SCSS

$custom: #030b30;
$custom-light: #4a4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#030b30",
  "rgb": {
    "r": 3,
    "g": 11,
    "b": 48
  },
  "hsl": {
    "h": 229.333,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.17273,
    "c": 0.07499,
    "h": 266
  },
  "luminance": 0.00472
}

Semantic roles & 50–950 ramp

primary

#030B30

secondary

#73641B

accent

#D929FE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030B30

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

Preview Lab → · Contrast checker → · Palette generator →