#1F1480#1F1480

#1F1480 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.167 H 274.5°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F1480
RGB	rgb(31, 20, 128)
HSL	hsl(246, 73%, 29%)
HSV	hsv(246, 84%, 50%)
CMYK	cmyk(75.8%, 84.4%, 0%, 49.8%)
CIE-LAB	lab(17.22, 40.45, -57.57)
CIE-LCH	lch(17.22, 70.36, 305.09°)
OKLab	oklab(30.44% 0.0132 -0.1665)
OKLCH	oklch(30.44% 0.167 274.5)
XYZ	xyz(4.7102, 2.3497, 20.6232)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1480 #758014

analogous

#143F80 #1F1480 #551480

triadic

#1F1480 #801F14 #14801F

tetradic

#1F1480 #80143F #758014 #148055

square

#1F1480 #80143F #758014 #148055

split-complementary

#1F1480 #805514 #3F8014

monochromatic

#06041A #120C4B #1F1480 #2C1CB5 #4230DF

Accessibility & contrast

On white

14.29

#1F1480 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1F1480 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1480

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1480	#FFFFFF	#000000	##FFFFFF
##1F1480	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F83

Deuteranopia (green-blind)

#00257E

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f1480;
/* rgb */ color: rgb(31, 20, 128);
/* oklch */ color: oklch(30.4% 0.167 274.5);

Tailwind

colors: {
  custom: {
    50: '#6d55a6',
    500: '#1f1480',
    950: '#000000',
  },
}

SCSS

$custom: #1f1480;
$custom-light: #6d55a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1480",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 128
  },
  "hsl": {
    "h": 246.111,
    "s": 72.973,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30439,
    "c": 0.16701,
    "h": 274.5
  },
  "luminance": 0.0235
}

Semantic roles & 50–950 ramp

primary

#1F1480

secondary

#A9B53B

accent

#F038DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1F1480

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

Preview Lab → · Contrast checker → · Palette generator →