#1F1470#1F1470

#1F1470 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.5% C 0.147 H 277.0°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F1470
RGB	rgb(31, 20, 112)
HSL	hsl(247, 70%, 26%)
HSV	hsv(247, 82%, 44%)
CMYK	cmyk(72.3%, 82.1%, 0%, 56.1%)
CIE-LAB	lab(15.28, 35.21, -50.51)
CIE-LCH	lch(15.28, 61.57, 304.88°)
OKLab	oklab(28.52% 0.0178 -0.146)
OKLCH	oklch(28.52% 0.147 277)
XYZ	xyz(3.7389, 1.9611, 15.5076)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1470 #657014

analogous

#143770 #1F1470 #4D1470

triadic

#1F1470 #701F14 #14701F

tetradic

#1F1470 #701437 #657014 #14704D

square

#1F1470 #701437 #657014 #14704D

split-complementary

#1F1470 #704D14 #377014

monochromatic

#07051A #110B3C #1F1470 #2D1DA4 #3C27D8

Accessibility & contrast

On white

15.08

#1F1470 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F1470 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1470

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1470	#FFFFFF	#000000	##FFFFFF
##1F1470	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A73

Deuteranopia (green-blind)

#00226E

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1470;
/* rgb */ color: rgb(31, 20, 112);
/* oklch */ color: oklch(28.5% 0.147 277.0);

Tailwind

colors: {
  custom: {
    50: '#69549a',
    500: '#1f1470',
    950: '#000000',
  },
}

SCSS

$custom: #1f1470;
$custom-light: #69549a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1470",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 112
  },
  "hsl": {
    "h": 247.174,
    "s": 69.697,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28522,
    "c": 0.14706,
    "h": 277
  },
  "luminance": 0.01961
}

Semantic roles & 50–950 ramp

primary

#1F1470

secondary

#99A639

accent

#ED3BD7

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1470

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

Preview Lab → · Contrast checker → · Palette generator →