#1F2D63#1F2D63

#1F2D63 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.8% C 0.097 H 269.3°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D63
RGB	rgb(31, 45, 99)
HSL	hsl(228, 52%, 25%)
HSV	hsv(228, 69%, 39%)
CMYK	cmyk(68.7%, 54.5%, 0%, 61.2%)
CIE-LAB	lab(20.32, 13.75, -33.79)
CIE-LCH	lch(20.32, 36.49, 292.14°)
OKLab	oklab(31.82% -0.0012 -0.0969)
OKLCH	oklch(31.82% 0.097 269.3)
XYZ	xyz(3.7548, 3.0686, 12.1964)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D63 #63551F

analogous

#1F4F63 #1F2D63 #331F63

triadic

#1F2D63 #631F2D #2D631F

tetradic

#1F2D63 #631F4F #63551F #1F6333

square

#1F2D63 #631F4F #63551F #1F6333

split-complementary

#1F2D63 #63331F #4F631F

monochromatic

#070B17 #101834 #1F2D63 #2E4292 #3C57C0

Accessibility & contrast

On white

13.01

#1F2D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F2D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D63

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D63	#FFFFFF	#000000	##FFFFFF
##1F2D63	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3465

Deuteranopia (green-blind)

#002E62

Tritanopia (blue-blind)

#003A43

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2d63;
/* rgb */ color: rgb(31, 45, 99);
/* oklch */ color: oklch(31.8% 0.097 269.3);

Tailwind

colors: {
  custom: {
    50: '#636590',
    500: '#1f2d63',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d63;
$custom-light: #636590;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d63",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 99
  },
  "hsl": {
    "h": 227.647,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.31817,
    "c": 0.09693,
    "h": 269.3
  },
  "luminance": 0.03069
}

Semantic roles & 50–950 ramp

primary

#1F2D63

secondary

#988746

accent

#BE4CDC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06050C

muted

#7A7A7D

Preview Lab

Preview with #1F2D63

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

Preview Lab → · Contrast checker → · Palette generator →