#030A2F#030A2F

#030A2F is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.075 H 266.5°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#030A2F
RGB	rgb(3, 10, 47)
HSL	hsl(230, 88%, 10%)
HSV	hsv(230, 94%, 18%)
CMYK	cmyk(93.6%, 78.7%, 0%, 81.6%)
CIE-LAB	lab(3.99, 9.80, -24.14)
CIE-LCH	lch(3.99, 26.05, 292.10°)
OKLab	oklab(16.92% -0.0045 -0.0747)
OKLCH	oklch(16.92% 0.075 266.5)
XYZ	xyz(0.6590, 0.4416, 2.7393)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A2F #2F2803

analogous

#03202F #030A2F #12032F

triadic

#030A2F #2F030A #0A2F03

tetradic

#030A2F #2F0320 #2F2803 #032F12

square

#030A2F #2F0320 #2F2803 #032F12

split-complementary

#030A2F #2F1203 #202F03

monochromatic

#02061D #02061D #030A2F #071669 #0A22A2

Accessibility & contrast

On white

19.29

#030A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#030A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A2F

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A2F	#FFFFFF	#000000	##FFFFFF
##030A2F	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001030

Deuteranopia (green-blind)

#000C2E

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #030a2f;
/* rgb */ color: rgb(3, 10, 47);
/* oklch */ color: oklch(16.9% 0.075 266.5);

Tailwind

colors: {
  custom: {
    50: '#4a4b68',
    500: '#030a2f',
    950: '#000000',
  },
}

SCSS

$custom: #030a2f;
$custom-light: #4a4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#030a2f",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 47
  },
  "hsl": {
    "h": 230.455,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.16924,
    "c": 0.07483,
    "h": 266.5
  },
  "luminance": 0.00442
}

Semantic roles & 50–950 ramp

primary

#030A2F

secondary

#73651B

accent

#DC2AFE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #030A2F

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

Preview Lab → · Contrast checker → · Palette generator →