#05042F#05042F

#05042F is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.6% C 0.084 H 272.6°. Best body text is #FFFFFF at 19.72:1 contrast (WCAG AA passes).

Color values

HEX	#05042F
RGB	rgb(5, 4, 47)
HSL	hsl(241, 84%, 10%)
HSV	hsv(241, 91%, 18%)
CMYK	cmyk(89.4%, 91.5%, 0%, 81.6%)
CIE-LAB	lab(2.93, 12.73, -25.82)
CIE-LCH	lch(2.93, 28.79, 296.24°)
OKLab	oklab(15.64% 0.0038 -0.0835)
OKLCH	oklch(15.64% 0.084 272.6)
XYZ	xyz(0.6189, 0.3243, 2.7187)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05042F #2E2F04

analogous

#04192F #05042F #1A042F

triadic

#05042F #2F0504 #042F05

tetradic

#05042F #2F0419 #2E2F04 #042F1A

square

#05042F #2F0419 #2E2F04 #042F1A

split-complementary

#05042F #2F1A04 #192F04

monochromatic

#03021C #03021C #05042F #0B0967 #110EA0

Accessibility & contrast

On white

19.72

#05042F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#05042F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05042F

19.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05042F	#FFFFFF	#000000	##FFFFFF
##05042F	1.00	19.72	1.06	19.72
#FFFFFF	19.72	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D30

Deuteranopia (green-blind)

#00092E

Tritanopia (blue-blind)

#001019

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #05042f;
/* rgb */ color: rgb(5, 4, 47);
/* oklch */ color: oklch(15.6% 0.084 272.6);

Tailwind

colors: {
  custom: {
    50: '#4a4868',
    500: '#05042f',
    950: '#000000',
  },
}

SCSS

$custom: #05042f;
$custom-light: #4a4868;
$custom-dark: #000000;

JSON

{
  "hex": "#05042f",
  "rgb": {
    "r": 5,
    "g": 4,
    "b": 47
  },
  "hsl": {
    "h": 241.395,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.15643,
    "c": 0.08359,
    "h": 272.6
  },
  "luminance": 0.00324
}

Semantic roles & 50–950 ramp

primary

#05042F

secondary

#70721D

accent

#FB2DF6

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #05042F

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

Preview Lab → · Contrast checker → · Palette generator →