#1F2D69#1F2D69

#1F2D69 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.3% C 0.106 H 269.6°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D69
RGB	rgb(31, 45, 105)
HSL	hsl(229, 54%, 27%)
HSV	hsv(229, 70%, 41%)
CMYK	cmyk(70.5%, 57.1%, 0%, 58.8%)
CIE-LAB	lab(20.78, 16.14, -36.96)
CIE-LCH	lch(20.78, 40.33, 293.59°)
OKLab	oklab(32.32% -0.0007 -0.1062)
OKLCH	oklch(32.32% 0.106 269.6)
XYZ	xyz(4.0524, 3.1876, 13.7636)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D69 #695B1F

analogous

#1F5269 #1F2D69 #361F69

triadic

#1F2D69 #691F2D #2D691F

tetradic

#1F2D69 #691F52 #695B1F #1F6936

square

#1F2D69 #691F52 #695B1F #1F6936

split-complementary

#1F2D69 #69361F #52691F

monochromatic

#070A18 #11193A #1F2D69 #2D4198 #3D57C6

Accessibility & contrast

On white

12.82

#1F2D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1F2D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D69

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D69	#FFFFFF	#000000	##FFFFFF
##1F2D69	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03356B

Deuteranopia (green-blind)

#002F68

Tritanopia (blue-blind)

#003B46

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f2d69;
/* rgb */ color: rgb(31, 45, 105);
/* oklch */ color: oklch(32.3% 0.106 269.6);

Tailwind

colors: {
  custom: {
    50: '#646594',
    500: '#1f2d69',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d69;
$custom-light: #646594;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d69",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 105
  },
  "hsl": {
    "h": 228.649,
    "s": 54.412,
    "l": 26.667
  },
  "oklch": {
    "l": 0.32315,
    "c": 0.10624,
    "h": 269.6
  },
  "luminance": 0.03188
}

Semantic roles & 50–950 ramp

primary

#1F2D69

secondary

#9D8D47

accent

#C24ADE

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #1F2D69

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

Preview Lab → · Contrast checker → · Palette generator →