#271A8E#271A8E

#271A8E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.177 H 275.9°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#271A8E
RGB	rgb(39, 26, 142)
HSL	hsl(247, 69%, 33%)
HSV	hsv(247, 82%, 56%)
CMYK	cmyk(72.5%, 81.7%, 0%, 44.3%)
CIE-LAB	lab(20.53, 42.60, -60.89)
CIE-LCH	lch(20.53, 74.31, 304.97°)
OKLab	oklab(33.38% 0.0182 -0.176)
OKLCH	oklch(33.38% 0.177 275.9)
XYZ	xyz(6.0870, 3.1225, 25.8679)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271A8E #818E1A

analogous

#1A478E #271A8E #611A8E

triadic

#271A8E #8E271A #1A8E27

tetradic

#271A8E #8E1A47 #818E1A #1A8E61

square

#271A8E #8E1A47 #818E1A #1A8E61

split-complementary

#271A8E #8E611A #478E1A

monochromatic

#0B0727 #19115A #271A8E #3523C2 #5645DD

Accessibility & contrast

On white

12.93

#271A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#271A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271A8E

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271A8E	#FFFFFF	#000000	##FFFFFF
##271A8E	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003691

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #271a8e;
/* rgb */ color: rgb(39, 26, 142);
/* oklch */ color: oklch(33.4% 0.177 275.9);

Tailwind

colors: {
  custom: {
    50: '#735ab0',
    500: '#271a8e',
    950: '#000000',
  },
}

SCSS

$custom: #271a8e;
$custom-light: #735ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#271a8e",
  "rgb": {
    "r": 39,
    "g": 26,
    "b": 142
  },
  "hsl": {
    "h": 246.724,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33376,
    "c": 0.17696,
    "h": 275.9
  },
  "luminance": 0.03123
}

Semantic roles & 50–950 ramp

primary

#271A8E

secondary

#B1BE45

accent

#EC3CD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271A8E

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

Preview Lab → · Contrast checker → · Palette generator →