#1D2979#1D2979

#1D2979 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.136 H 270.3°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D2979
RGB	rgb(29, 41, 121)
HSL	hsl(232, 61%, 29%)
HSV	hsv(232, 76%, 47%)
CMYK	cmyk(76%, 66.1%, 0%, 52.5%)
CIE-LAB	lab(20.93, 24.98, -47.01)
CIE-LCH	lch(20.93, 53.24, 297.98°)
OKLab	oklab(32.83% 0.0007 -0.1359)
OKLCH	oklch(32.83% 0.136 270.3)
XYZ	xyz(4.7496, 3.2271, 18.4580)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2979 #796D1D

analogous

#1D5779 #1D2979 #3F1D79

triadic

#1D2979 #791D29 #29791D

tetradic

#1D2979 #791D57 #796D1D #1D793F

square

#1D2979 #791D57 #796D1D #1D793F

split-complementary

#1D2979 #793F1D #57791D

monochromatic

#060819 #111848 #1D2979 #293AAA #3F52D1

Accessibility & contrast

On white

12.76

#1D2979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D2979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2979

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2979	#FFFFFF	#000000	##FFFFFF
##1D2979	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377C

Deuteranopia (green-blind)

#002E77

Tritanopia (blue-blind)

#003E4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2979;
/* rgb */ color: rgb(29, 41, 121);
/* oklch */ color: oklch(32.8% 0.136 270.3);

Tailwind

colors: {
  custom: {
    50: '#6862a0',
    500: '#1d2979',
    950: '#000000',
  },
}

SCSS

$custom: #1d2979;
$custom-light: #6862a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2979",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 121
  },
  "hsl": {
    "h": 232.174,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32828,
    "c": 0.13587,
    "h": 270.3
  },
  "luminance": 0.03228
}

Semantic roles & 50–950 ramp

primary

#1D2979

secondary

#AD9F45

accent

#CF43E4

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2979

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

Preview Lab → · Contrast checker → · Palette generator →