#1F0F76#1F0F76

#1F0F76 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.7% C 0.159 H 276.6°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F0F76
RGB	rgb(31, 15, 118)
HSL	hsl(249, 77%, 26%)
HSV	hsv(249, 87%, 46%)
CMYK	cmyk(73.7%, 87.3%, 0%, 53.7%)
CIE-LAB	lab(15.17, 39.62, -54.58)
CIE-LCH	lch(15.17, 67.44, 305.98°)
OKLab	oklab(28.66% 0.0182 -0.1577)
OKLCH	oklch(28.66% 0.159 276.6)
XYZ	xyz(4.0048, 1.9406, 17.2995)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F0F76 #66760F

analogous

#0F3276 #1F0F76 #520F76

triadic

#1F0F76 #761F0F #0F761F

tetradic

#1F0F76 #760F32 #66760F #0F7652

square

#1F0F76 #760F32 #66760F #0F7652

split-complementary

#1F0F76 #76520F #32760F

monochromatic

#07031B #110840 #1F0F76 #2D16AC #3C1DE2

Accessibility & contrast

On white

15.13

#1F0F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F0F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F0F76

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F0F76	#FFFFFF	#000000	##FFFFFF
##1F0F76	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A79

Deuteranopia (green-blind)

#002274

Tritanopia (blue-blind)

#003044

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f0f76;
/* rgb */ color: rgb(31, 15, 118);
/* oklch */ color: oklch(28.7% 0.159 276.6);

Tailwind

colors: {
  custom: {
    50: '#6b529f',
    500: '#1f0f76',
    950: '#000000',
  },
}

SCSS

$custom: #1f0f76;
$custom-light: #6b529f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f0f76",
  "rgb": {
    "r": 31,
    "g": 15,
    "b": 118
  },
  "hsl": {
    "h": 249.32,
    "s": 77.444,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28661,
    "c": 0.15874,
    "h": 276.6
  },
  "luminance": 0.01941
}

Semantic roles & 50–950 ramp

primary

#1F0F76

secondary

#9AAD33

accent

#F434D6

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#08020F

muted

#7A787E

Preview Lab

Preview with #1F0F76

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

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