#1F1963#1F1963

#1F1963 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.124 H 278.2°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F1963
RGB	rgb(31, 25, 99)
HSL	hsl(245, 60%, 24%)
HSV	hsv(245, 75%, 39%)
CMYK	cmyk(68.7%, 74.7%, 0%, 61.2%)
CIE-LAB	lab(14.88, 27.73, -42.64)
CIE-LCH	lch(14.88, 50.86, 303.03°)
OKLab	oklab(27.81% 0.0177 -0.1231)
OKLCH	oklch(27.81% 0.124 278.2)
XYZ	xyz(3.1641, 1.8872, 11.9995)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1963 #5D6319

analogous

#193863 #1F1963 #441963

triadic

#1F1963 #631F19 #19631F

tetradic

#1F1963 #631938 #5D6319 #196344

square

#1F1963 #631938 #5D6319 #196344

split-complementary

#1F1963 #634419 #386319

monochromatic

#080618 #100D32 #1F1963 #2E2594 #3E32C5

Accessibility & contrast

On white

15.25

#1F1963 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1963 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1963

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1963	#FFFFFF	#000000	##FFFFFF
##1F1963	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002865

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#002D3C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f1963;
/* rgb */ color: rgb(31, 25, 99);
/* oklch */ color: oklch(27.8% 0.124 278.2);

Tailwind

colors: {
  custom: {
    50: '#655690',
    500: '#1f1963',
    950: '#000000',
  },
}

SCSS

$custom: #1f1963;
$custom-light: #655690;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1963",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 99
  },
  "hsl": {
    "h": 244.865,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27807,
    "c": 0.12433,
    "h": 278.2
  },
  "luminance": 0.01887
}

Semantic roles & 50–950 ramp

primary

#1F1963

secondary

#92993F

accent

#E345D6

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #1F1963

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

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