#1F1079#1F1079

#1F1079 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 29.1% C 0.162 H 276.0°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#1F1079
RGB	rgb(31, 16, 121)
HSL	hsl(249, 77%, 27%)
HSV	hsv(249, 87%, 47%)
CMYK	cmyk(74.4%, 86.8%, 0%, 52.5%)
CIE-LAB	lab(15.71, 40.11, -55.62)
CIE-LCH	lch(15.71, 68.58, 305.80°)
OKLab	oklab(29.14% 0.0168 -0.1607)
OKLCH	oklch(29.14% 0.162 276)
XYZ	xyz(4.2004, 2.0420, 18.2582)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1079 #6A7910

analogous

#103679 #1F1079 #531079

triadic

#1F1079 #791F10 #10791F

tetradic

#1F1079 #791036 #6A7910 #107953

square

#1F1079 #791036 #6A7910 #107953

split-complementary

#1F1079 #795310 #367910

monochromatic

#07041B #110943 #1F1079 #2D17AF #3D22E2

Accessibility & contrast

On white

14.91

#1F1079 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F1079 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1079

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1079	#FFFFFF	#000000	##FFFFFF
##1F1079	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B7C

Deuteranopia (green-blind)

#002277

Tritanopia (blue-blind)

#003246

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f1079;
/* rgb */ color: rgb(31, 16, 121);
/* oklch */ color: oklch(29.1% 0.162 276.0);

Tailwind

colors: {
  custom: {
    50: '#6b53a1',
    500: '#1f1079',
    950: '#000000',
  },
}

SCSS

$custom: #1f1079;
$custom-light: #6b53a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1079",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 121
  },
  "hsl": {
    "h": 248.571,
    "s": 76.642,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29138,
    "c": 0.16163,
    "h": 276
  },
  "luminance": 0.02042
}

Semantic roles & 50–950 ramp

primary

#1F1079

secondary

#9EB035

accent

#F335D8

background

#F7F4FA

surface

#EDE7F3

border

#C8C3CD

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1F1079

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

Preview Lab → · Contrast checker → · Palette generator →