#05103F#05103F

#05103F is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.3% C 0.091 H 266.5°. Best body text is #FFFFFF at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#05103F
RGB	rgb(5, 16, 63)
HSL	hsl(229, 85%, 13%)
HSV	hsv(229, 92%, 25%)
CMYK	cmyk(92.1%, 74.6%, 0%, 75.3%)
CIE-LAB	lab(6.88, 15.99, -31.15)
CIE-LCH	lch(6.88, 35.01, 297.18°)
OKLab	oklab(20.31% -0.0056 -0.0905)
OKLCH	oklch(20.31% 0.091 266.5)
XYZ	xyz(1.1448, 0.7616, 4.7883)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05103F #3F3405

analogous

#052D3F #05103F #17053F

triadic

#05103F #3F0510 #103F05

tetradic

#05103F #3F052D #3F3405 #053F17

square

#05103F #3F052D #3F3405 #053F17

split-complementary

#05103F #3F1705 #2D3F05

monochromatic

#02071C #02071C #05103F #091E78 #0E2DB0

Accessibility & contrast

On white

18.22

#05103F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#05103F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05103F

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05103F	#FFFFFF	#000000	##FFFFFF
##05103F	1.00	18.22	1.15	18.22
#FFFFFF	18.22	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001840

Deuteranopia (green-blind)

#00123E

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #05103f;
/* rgb */ color: rgb(5, 16, 63);
/* oklch */ color: oklch(20.3% 0.091 266.5);

Tailwind

colors: {
  custom: {
    50: '#514d75',
    500: '#05103f',
    950: '#000000',
  },
}

SCSS

$custom: #05103f;
$custom-light: #514d75;
$custom-dark: #000000;

JSON

{
  "hex": "#05103f",
  "rgb": {
    "r": 5,
    "g": 16,
    "b": 63
  },
  "hsl": {
    "h": 228.621,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20307,
    "c": 0.09067,
    "h": 266.5
  },
  "luminance": 0.00762
}

Semantic roles & 50–950 ramp

primary

#05103F

secondary

#806E20

accent

#D42CFC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020108

muted

#78777B

Preview Lab

Preview with #05103F

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

Preview Lab → · Contrast checker → · Palette generator →