#1F1576#1F1576

#1F1576 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.154 H 275.8°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F1576
RGB	rgb(31, 21, 118)
HSL	hsl(246, 70%, 27%)
HSV	hsv(246, 82%, 46%)
CMYK	cmyk(73.7%, 82.2%, 0%, 53.7%)
CIE-LAB	lab(16.18, 36.67, -52.91)
CIE-LCH	lch(16.18, 64.37, 304.73°)
OKLab	oklab(29.36% 0.0157 -0.1529)
OKLCH	oklch(29.36% 0.154 275.8)
XYZ	xyz(4.1022, 2.1353, 17.3320)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1576 #6C7615

analogous

#153B76 #1F1576 #501576

triadic

#1F1576 #761F15 #15761F

tetradic

#1F1576 #76153B #6C7615 #157650

square

#1F1576 #76153B #6C7615 #157650

split-complementary

#1F1576 #765015 #3B7615

monochromatic

#07051A #110C42 #1F1576 #2D1EAA #3E2CD9

Accessibility & contrast

On white

14.71

#1F1576 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1F1576 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1576

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1576	#FFFFFF	#000000	##FFFFFF
##1F1576	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C79

Deuteranopia (green-blind)

#002474

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f1576;
/* rgb */ color: rgb(31, 21, 118);
/* oklch */ color: oklch(29.4% 0.154 275.8);

Tailwind

colors: {
  custom: {
    50: '#6a559f',
    500: '#1f1576',
    950: '#000000',
  },
}

SCSS

$custom: #1f1576;
$custom-light: #6a559f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1576",
  "rgb": {
    "r": 31,
    "g": 21,
    "b": 118
  },
  "hsl": {
    "h": 246.186,
    "s": 69.784,
    "l": 27.255
  },
  "oklch": {
    "l": 0.2936,
    "c": 0.15375,
    "h": 275.8
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#1F1576

secondary

#A0AC3B

accent

#ED3BDA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #1F1576

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

Preview Lab → · Contrast checker → · Palette generator →