#1F2D76#1F2D76

#1F2D76 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.126 H 269.9°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D76
RGB	rgb(31, 45, 118)
HSL	hsl(230, 58%, 29%)
HSV	hsv(230, 74%, 46%)
CMYK	cmyk(73.7%, 61.9%, 0%, 53.7%)
CIE-LAB	lab(21.86, 21.29, -43.59)
CIE-LCH	lch(21.86, 48.51, 296.03°)
OKLab	oklab(33.46% -0.0002 -0.1257)
OKLCH	oklch(33.46% 0.126 269.9)
XYZ	xyz(4.7724, 3.4756, 17.5554)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D76 #76681F

analogous

#1F5976 #1F2D76 #3D1F76

triadic

#1F2D76 #761F2D #2D761F

tetradic

#1F2D76 #761F59 #76681F #1F763D

square

#1F2D76 #761F59 #76681F #1F763D

split-complementary

#1F2D76 #763D1F #59761F

monochromatic

#060918 #121B46 #1F2D76 #2C3FA6 #4258CD

Accessibility & contrast

On white

12.39

#1F2D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1F2D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D76

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D76	#FFFFFF	#000000	##FFFFFF
##1F2D76	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003878

Deuteranopia (green-blind)

#003075

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2d76;
/* rgb */ color: rgb(31, 45, 118);
/* oklch */ color: oklch(33.5% 0.126 269.9);

Tailwind

colors: {
  custom: {
    50: '#68659e',
    500: '#1f2d76',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d76;
$custom-light: #68659e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d76",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 118
  },
  "hsl": {
    "h": 230.345,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33458,
    "c": 0.12572,
    "h": 269.9
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#1F2D76

secondary

#AA9A47

accent

#C946E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1F2D76

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

Preview Lab → · Contrast checker → · Palette generator →