#1F1972#1F1972

#1F1972 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.5% C 0.145 H 275.8°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F1972
RGB	rgb(31, 25, 114)
HSL	hsl(244, 64%, 27%)
HSV	hsv(244, 78%, 45%)
CMYK	cmyk(72.8%, 78.1%, 0%, 55.3%)
CIE-LAB	lab(16.51, 33.05, -49.78)
CIE-LCH	lch(16.51, 59.75, 303.58°)
OKLab	oklab(29.45% 0.0146 -0.1439)
OKLCH	oklch(29.45% 0.145 275.8)
XYZ	xyz(3.9490, 2.2011, 16.1331)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1972 #6C7219

analogous

#194072 #1F1972 #4C1972

triadic

#1F1972 #721F19 #19721F

tetradic

#1F1972 #721940 #6C7219 #19724C

square

#1F1972 #721940 #6C7219 #19724C

split-complementary

#1F1972 #724C19 #407219

monochromatic

#070619 #110E40 #1F1972 #2D24A4 #3E33D2

Accessibility & contrast

On white

14.58

#1F1972 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1F1972 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1972

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1972	#FFFFFF	#000000	##FFFFFF
##1F1972	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D75

Deuteranopia (green-blind)

#002570

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1972;
/* rgb */ color: rgb(31, 25, 114);
/* oklch */ color: oklch(29.5% 0.145 275.8);

Tailwind

colors: {
  custom: {
    50: '#69579c',
    500: '#1f1972',
    950: '#000000',
  },
}

SCSS

$custom: #1f1972;
$custom-light: #69579c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1972",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 114
  },
  "hsl": {
    "h": 244.045,
    "s": 64.029,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29453,
    "c": 0.14465,
    "h": 275.8
  },
  "luminance": 0.02201
}

Semantic roles & 50–950 ramp

primary

#1F1972

secondary

#A0A740

accent

#E741DC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1972

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

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