#1F2C76#1F2C76

#1F2C76 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.127 H 270.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C76
RGB	rgb(31, 44, 118)
HSL	hsl(231, 58%, 29%)
HSV	hsv(231, 74%, 46%)
CMYK	cmyk(73.7%, 62.7%, 0%, 53.7%)
CIE-LAB	lab(21.58, 21.99, -44.04)
CIE-LCH	lch(21.58, 49.22, 296.54°)
OKLab	oklab(33.25% 0.0007 -0.127)
OKLCH	oklch(33.25% 0.127 270.3)
XYZ	xyz(4.7347, 3.4002, 17.5428)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C76 #76691F

analogous

#1F5876 #1F2C76 #3E1F76

triadic

#1F2C76 #761F2C #2C761F

tetradic

#1F2C76 #761F58 #76691F #1F763E

square

#1F2C76 #761F58 #76691F #1F763E

split-complementary

#1F2C76 #763E1F #58761F

monochromatic

#060918 #121A46 #1F2C76 #2C3EA6 #4257CD

Accessibility & contrast

On white

12.50

#1F2C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1F2C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C76

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C76	#FFFFFF	#000000	##FFFFFF
##1F2C76	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003878

Deuteranopia (green-blind)

#003075

Tritanopia (blue-blind)

#003F4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2c76;
/* rgb */ color: rgb(31, 44, 118);
/* oklch */ color: oklch(33.3% 0.127 270.3);

Tailwind

colors: {
  custom: {
    50: '#68659e',
    500: '#1f2c76',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c76;
$custom-light: #68659e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c76",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 118
  },
  "hsl": {
    "h": 231.034,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33253,
    "c": 0.12705,
    "h": 270.3
  },
  "luminance": 0.03401
}

Semantic roles & 50–950 ramp

primary

#1F2C76

secondary

#AA9B47

accent

#CA46E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1F2C76

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

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