#1F1976#1F1976

#1F1976 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.150 H 275.2°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F1976
RGB	rgb(31, 25, 118)
HSL	hsl(244, 65%, 28%)
HSV	hsv(244, 79%, 46%)
CMYK	cmyk(73.7%, 78.8%, 0%, 53.7%)
CIE-LAB	lab(16.96, 34.44, -51.62)
CIE-LCH	lch(16.96, 62.05, 303.71°)
OKLab	oklab(29.91% 0.0137 -0.1492)
OKLCH	oklch(29.91% 0.15 275.2)
XYZ	xyz(4.1816, 2.2942, 17.3585)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1976 #707619

analogous

#194176 #1F1976 #4D1976

triadic

#1F1976 #761F19 #19761F

tetradic

#1F1976 #761941 #707619 #19764D

square

#1F1976 #761941 #707619 #19764D

split-complementary

#1F1976 #764D19 #417619

monochromatic

#070519 #120E43 #1F1976 #2C24A8 #3F35D4

Accessibility & contrast

On white

14.39

#1F1976 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1F1976 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1976

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1976	#FFFFFF	#000000	##FFFFFF
##1F1976	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E79

Deuteranopia (green-blind)

#002674

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f1976;
/* rgb */ color: rgb(31, 25, 118);
/* oklch */ color: oklch(29.9% 0.150 275.2);

Tailwind

colors: {
  custom: {
    50: '#6a579f',
    500: '#1f1976',
    950: '#000000',
  },
}

SCSS

$custom: #1f1976;
$custom-light: #6a579f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1976",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 118
  },
  "hsl": {
    "h": 243.871,
    "s": 65.035,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29906,
    "c": 0.14987,
    "h": 275.2
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary

#1F1976

secondary

#A4AB40

accent

#E840DD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1F1976

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

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