#1F1276#1F1276

#1F1276 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 29.0% C 0.156 H 276.2°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F1276
RGB	rgb(31, 18, 118)
HSL	hsl(248, 74%, 27%)
HSV	hsv(248, 85%, 46%)
CMYK	cmyk(73.7%, 84.7%, 0%, 53.7%)
CIE-LAB	lab(15.65, 38.21, -53.78)
CIE-LCH	lch(15.65, 65.98, 305.39°)
OKLab	oklab(28.99% 0.017 -0.1554)
OKLCH	oklch(28.99% 0.156 276.2)
XYZ	xyz(4.0503, 2.0315, 17.3147)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1276 #697612

analogous

#123776 #1F1276 #511276

triadic

#1F1276 #761F12 #12761F

tetradic

#1F1276 #761237 #697612 #127651

square

#1F1276 #761237 #697612 #127651

split-complementary

#1F1276 #765112 #377612

monochromatic

#07041B #110A41 #1F1276 #2D1AAB #3D25DE

Accessibility & contrast

On white

14.93

#1F1276 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F1276 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1276

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1276	#FFFFFF	#000000	##FFFFFF
##1F1276	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B79

Deuteranopia (green-blind)

#002374

Tritanopia (blue-blind)

#003145

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f1276;
/* rgb */ color: rgb(31, 18, 118);
/* oklch */ color: oklch(29.0% 0.156 276.2);

Tailwind

colors: {
  custom: {
    50: '#6a539f',
    500: '#1f1276',
    950: '#000000',
  },
}

SCSS

$custom: #1f1276;
$custom-light: #6a539f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1276",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 118
  },
  "hsl": {
    "h": 247.8,
    "s": 73.529,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28992,
    "c": 0.15637,
    "h": 276.2
  },
  "luminance": 0.02032
}

Semantic roles & 50–950 ramp

primary

#1F1276

secondary

#9DAD37

accent

#F038D8

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #1F1276

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

Preview Lab → · Contrast checker → · Palette generator →