#03042F#03042F

#03042F is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.4% C 0.085 H 269.4°. Best body text is #FFFFFF at 19.77:1 contrast (WCAG AA passes).

Color values

HEX	#03042F
RGB	rgb(3, 4, 47)
HSL	hsl(239, 88%, 10%)
HSV	hsv(239, 94%, 18%)
CMYK	cmyk(93.6%, 91.5%, 0%, 81.6%)
CIE-LAB	lab(2.81, 12.20, -26.01)
CIE-LCH	lch(2.81, 28.73, 295.13°)
OKLab	oklab(15.42% -0.001 -0.0847)
OKLCH	oklch(15.42% 0.085 269.4)
XYZ	xyz(0.5939, 0.3114, 2.7176)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03042F #2F2E03

analogous

#031A2F #03042F #18032F

triadic

#03042F #2F0304 #042F03

tetradic

#03042F #2F031A #2F2E03 #032F18

square

#03042F #2F031A #2F2E03 #032F18

split-complementary

#03042F #2F1803 #1A2F03

monochromatic

#02021D #02021D #03042F #070969 #0A0EA2

Accessibility & contrast

On white

19.77

#03042F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#03042F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03042F

19.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03042F	#FFFFFF	#000000	##FFFFFF
##03042F	1.00	19.77	1.06	19.77
#FFFFFF	19.77	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D30

Deuteranopia (green-blind)

#00082E

Tritanopia (blue-blind)

#001019

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #03042f;
/* rgb */ color: rgb(3, 4, 47);
/* oklch */ color: oklch(15.4% 0.085 269.4);

Tailwind

colors: {
  custom: {
    50: '#494868',
    500: '#03042f',
    950: '#000000',
  },
}

SCSS

$custom: #03042f;
$custom-light: #494868;
$custom-dark: #000000;

JSON

{
  "hex": "#03042f",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 47
  },
  "hsl": {
    "h": 238.636,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.15418,
    "c": 0.08472,
    "h": 269.4
  },
  "luminance": 0.00311
}

Semantic roles & 50–950 ramp

primary

#03042F

secondary

#73711B

accent

#F92AFE

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #03042F

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

Preview Lab → · Contrast checker → · Palette generator →