#1F2A76#1F2A76

#1F2A76 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.130 H 271.0°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A76
RGB	rgb(31, 42, 118)
HSL	hsl(232, 58%, 29%)
HSV	hsv(232, 74%, 46%)
CMYK	cmyk(73.7%, 64.4%, 0%, 53.7%)
CIE-LAB	lab(21.04, 23.38, -44.92)
CIE-LCH	lch(21.04, 50.64, 297.50°)
OKLab	oklab(32.85% 0.0023 -0.1297)
OKLCH	oklch(32.85% 0.13 271)
XYZ	xyz(4.6619, 3.2548, 17.5186)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A76 #766B1F

analogous

#1F5676 #1F2A76 #401F76

triadic

#1F2A76 #761F2A #2A761F

tetradic

#1F2A76 #761F56 #766B1F #1F7640

square

#1F2A76 #761F56 #766B1F #1F7640

split-complementary

#1F2A76 #76401F #56761F

monochromatic

#060918 #121946 #1F2A76 #2C3BA6 #4254CD

Accessibility & contrast

On white

12.72

#1F2A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1F2A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A76

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A76	#FFFFFF	#000000	##FFFFFF
##1F2A76	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003778

Deuteranopia (green-blind)

#002F75

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f2a76;
/* rgb */ color: rgb(31, 42, 118);
/* oklch */ color: oklch(32.9% 0.130 271.0);

Tailwind

colors: {
  custom: {
    50: '#68639e',
    500: '#1f2a76',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a76;
$custom-light: #68639e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a76",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 118
  },
  "hsl": {
    "h": 232.414,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32851,
    "c": 0.12969,
    "h": 271
  },
  "luminance": 0.03255
}

Semantic roles & 50–950 ramp

primary

#1F2A76

secondary

#AA9D47

accent

#CE46E2

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1F2A76

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

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