#1F2D64#1F2D64

#1F2D64 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.9% C 0.099 H 269.4°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D64
RGB	rgb(31, 45, 100)
HSL	hsl(228, 53%, 26%)
HSV	hsv(228, 69%, 39%)
CMYK	cmyk(69%, 55%, 0%, 60.8%)
CIE-LAB	lab(20.39, 14.15, -34.33)
CIE-LCH	lch(20.39, 37.13, 292.40°)
OKLab	oklab(31.9% -0.0011 -0.0985)
OKLCH	oklch(31.9% 0.099 269.4)
XYZ	xyz(3.8029, 3.0878, 12.4497)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D64 #64561F

analogous

#1F4F64 #1F2D64 #331F64

triadic

#1F2D64 #641F2D #2D641F

tetradic

#1F2D64 #641F4F #64561F #1F6433

square

#1F2D64 #641F4F #64561F #1F6433

split-complementary

#1F2D64 #64331F #4F641F

monochromatic

#070B17 #111835 #1F2D64 #2D4293 #3C57C1

Accessibility & contrast

On white

12.98

#1F2D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F2D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D64

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D64	#FFFFFF	#000000	##FFFFFF
##1F2D64	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3466

Deuteranopia (green-blind)

#002E63

Tritanopia (blue-blind)

#003A43

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2d64;
/* rgb */ color: rgb(31, 45, 100);
/* oklch */ color: oklch(31.9% 0.099 269.4);

Tailwind

colors: {
  custom: {
    50: '#636591',
    500: '#1f2d64',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d64;
$custom-light: #636591;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d64",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 100
  },
  "hsl": {
    "h": 227.826,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.31899,
    "c": 0.0985,
    "h": 269.4
  },
  "luminance": 0.03088
}

Semantic roles & 50–950 ramp

primary

#1F2D64

secondary

#988846

accent

#BF4CDC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06050D

muted

#7A7A7D

Preview Lab

Preview with #1F2D64

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

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