#1F1176#1F1176

#1F1176 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.9% C 0.157 H 276.4°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#1F1176
RGB	rgb(31, 17, 118)
HSL	hsl(248, 75%, 26%)
HSV	hsv(248, 86%, 46%)
CMYK	cmyk(73.7%, 85.6%, 0%, 53.7%)
CIE-LAB	lab(15.49, 38.70, -54.06)
CIE-LCH	lch(15.49, 66.48, 305.60°)
OKLab	oklab(28.88% 0.0174 -0.1562)
OKLCH	oklch(28.88% 0.157 276.4)
XYZ	xyz(4.0345, 1.9998, 17.3094)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1176 #687611

analogous

#113676 #1F1176 #521176

triadic

#1F1176 #761F11 #11761F

tetradic

#1F1176 #761136 #687611 #117652

square

#1F1176 #761136 #687611 #117652

split-complementary

#1F1176 #765211 #367611

monochromatic

#07041B #110941 #1F1176 #2D19AB #3C22DF

Accessibility & contrast

On white

15.00

#1F1176 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1F1176 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1176

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1176	#FFFFFF	#000000	##FFFFFF
##1F1176	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B79

Deuteranopia (green-blind)

#002274

Tritanopia (blue-blind)

#003145

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f1176;
/* rgb */ color: rgb(31, 17, 118);
/* oklch */ color: oklch(28.9% 0.157 276.4);

Tailwind

colors: {
  custom: {
    50: '#6a539f',
    500: '#1f1176',
    950: '#000000',
  },
}

SCSS

$custom: #1f1176;
$custom-light: #6a539f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1176",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 118
  },
  "hsl": {
    "h": 248.317,
    "s": 74.815,
    "l": 26.471
  },
  "oklch": {
    "l": 0.28877,
    "c": 0.15719,
    "h": 276.4
  },
  "luminance": 0.02
}

Semantic roles & 50–950 ramp

primary

#1F1176

secondary

#9CAD36

accent

#F136D8

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #1F1176

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

Preview Lab → · Contrast checker → · Palette generator →