#1F1975#1F1975

#1F1975 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.149 H 275.4°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F1975
RGB	rgb(31, 25, 117)
HSL	hsl(244, 65%, 28%)
HSV	hsv(244, 79%, 46%)
CMYK	cmyk(73.5%, 78.6%, 0%, 54.1%)
CIE-LAB	lab(16.85, 34.09, -51.16)
CIE-LCH	lch(16.85, 61.48, 303.68°)
OKLab	oklab(29.79% 0.0139 -0.1479)
OKLCH	oklch(29.79% 0.149 275.4)
XYZ	xyz(4.1225, 2.2705, 17.0472)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1975 #6F7519

analogous

#194175 #1F1975 #4D1975

triadic

#1F1975 #751F19 #19751F

tetradic

#1F1975 #751941 #6F7519 #19754D

square

#1F1975 #751941 #6F7519 #19754D

split-complementary

#1F1975 #754D19 #417519

monochromatic

#070519 #120E43 #1F1975 #2C24A7 #3F35D4

Accessibility & contrast

On white

14.44

#1F1975 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1F1975 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1975

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1975	#FFFFFF	#000000	##FFFFFF
##1F1975	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E78

Deuteranopia (green-blind)

#002573

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f1975;
/* rgb */ color: rgb(31, 25, 117);
/* oklch */ color: oklch(29.8% 0.149 275.4);

Tailwind

colors: {
  custom: {
    50: '#69579e',
    500: '#1f1975',
    950: '#000000',
  },
}

SCSS

$custom: #1f1975;
$custom-light: #69579e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1975",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 117
  },
  "hsl": {
    "h": 243.913,
    "s": 64.789,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29792,
    "c": 0.14857,
    "h": 275.4
  },
  "luminance": 0.02271
}

Semantic roles & 50–950 ramp

primary

#1F1975

secondary

#A3AA40

accent

#E840DD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1975

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

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