#1F1D89#1F1D89

#1F1D89 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.170 H 272.5°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F1D89
RGB	rgb(31, 29, 137)
HSL	hsl(241, 65%, 33%)
HSV	hsv(241, 79%, 54%)
CMYK	cmyk(77.4%, 78.8%, 0%, 46.3%)
CIE-LAB	lab(19.95, 38.67, -58.75)
CIE-LCH	lch(19.95, 70.33, 303.36°)
OKLab	oklab(32.65% 0.0075 -0.17)
OKLCH	oklch(32.65% 0.17 272.5)
XYZ	xyz(5.5183, 2.9756, 23.9456)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1D89 #87891D

analogous

#1D5189 #1F1D89 #551D89

triadic

#1F1D89 #891F1D #1D891F

tetradic

#1F1D89 #891D51 #87891D #1D8955

square

#1F1D89 #891D51 #87891D #1D8955

split-complementary

#1F1D89 #89551D #51891D

monochromatic

#080824 #141256 #1F1D89 #2A28BC #4B48D8

Accessibility & contrast

On white

13.16

#1F1D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1F1D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1D89

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1D89	#FFFFFF	#000000	##FFFFFF
##1F1D89	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358C

Deuteranopia (green-blind)

#002B87

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f1d89;
/* rgb */ color: rgb(31, 29, 137);
/* oklch */ color: oklch(32.7% 0.170 272.5);

Tailwind

colors: {
  custom: {
    50: '#6e5bad',
    500: '#1f1d89',
    950: '#000000',
  },
}

SCSS

$custom: #1f1d89;
$custom-light: #6e5bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1d89",
  "rgb": {
    "r": 31,
    "g": 29,
    "b": 137
  },
  "hsl": {
    "h": 241.111,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32653,
    "c": 0.17019,
    "h": 272.5
  },
  "luminance": 0.02976
}

Semantic roles & 50–950 ramp

primary

#1F1D89

secondary

#B8BA47

accent

#E840E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1D89

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

Preview Lab → · Contrast checker → · Palette generator →