#1F2D77#1F2D77

#1F2D77 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.127 H 269.9°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D77
RGB	rgb(31, 45, 119)
HSL	hsl(230, 59%, 29%)
HSV	hsv(230, 74%, 47%)
CMYK	cmyk(73.9%, 62.2%, 0%, 53.3%)
CIE-LAB	lab(21.94, 21.68, -44.08)
CIE-LCH	lch(21.94, 49.13, 296.19°)
OKLab	oklab(33.55% -0.0002 -0.1272)
OKLCH	oklch(33.55% 0.127 269.9)
XYZ	xyz(4.8321, 3.4995, 17.8700)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D77 #77691F

analogous

#1F5977 #1F2D77 #3D1F77

triadic

#1F2D77 #771F2D #2D771F

tetradic

#1F2D77 #771F59 #77691F #1F773D

square

#1F2D77 #771F59 #77691F #1F773D

split-complementary

#1F2D77 #773D1F #59771F

monochromatic

#060918 #121B46 #1F2D77 #2C3FA8 #4359CE

Accessibility & contrast

On white

12.35

#1F2D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1F2D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D77

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D77	#FFFFFF	#000000	##FFFFFF
##1F2D77	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003979

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2d77;
/* rgb */ color: rgb(31, 45, 119);
/* oklch */ color: oklch(33.6% 0.127 269.9);

Tailwind

colors: {
  custom: {
    50: '#68659f',
    500: '#1f2d77',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d77;
$custom-light: #68659f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d77",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 119
  },
  "hsl": {
    "h": 230.455,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3355,
    "c": 0.12718,
    "h": 269.9
  },
  "luminance": 0.035
}

Semantic roles & 50–950 ramp

primary

#1F2D77

secondary

#AB9B47

accent

#C946E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1F2D77

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

Preview Lab → · Contrast checker → · Palette generator →