#1F2249#1F2249

#1F2249 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.2% C 0.071 H 277.2°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F2249
RGB	rgb(31, 34, 73)
HSL	hsl(236, 40%, 20%)
HSV	hsv(236, 58%, 29%)
CMYK	cmyk(57.5%, 53.4%, 0%, 71.4%)
CIE-LAB	lab(15.04, 11.64, -24.84)
CIE-LCH	lch(15.04, 27.43, 295.11°)
OKLab	oklab(27.21% 0.009 -0.0707)
OKLCH	oklch(27.21% 0.071 277.2)
XYZ	xyz(2.3393, 1.9163, 6.5486)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2249 #49461F

analogous

#1F3749 #1F2249 #311F49

triadic

#1F2249 #491F22 #22491F

tetradic

#1F2249 #491F37 #49461F #1F4931

square

#1F2249 #491F37 #49461F #1F4931

split-complementary

#1F2249 #49311F #37491F

monochromatic

#090A15 #0D0E1E #1F2249 #313674 #434A9F

Accessibility & contrast

On white

15.18

#1F2249 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F2249 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2249

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2249	#FFFFFF	#000000	##FFFFFF
##1F2249	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10284A

Deuteranopia (green-blind)

#0C2448

Tritanopia (blue-blind)

#0D2A32

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f2249;
/* rgb */ color: rgb(31, 34, 73);
/* oklch */ color: oklch(27.2% 0.071 277.2);

Tailwind

colors: {
  custom: {
    50: '#5e5c7c',
    500: '#1f2249',
    950: '#000000',
  },
}

SCSS

$custom: #1f2249;
$custom-light: #5e5c7c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2249",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 73
  },
  "hsl": {
    "h": 235.714,
    "s": 40.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.27209,
    "c": 0.0713,
    "h": 277.2
  },
  "luminance": 0.01916
}

Semantic roles & 50–950 ramp

primary

#1F2249

secondary

#7E7A46

accent

#C858D0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#050409

muted

#79797B

Preview Lab

Preview with #1F2249

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

Preview Lab → · Contrast checker → · Palette generator →