#271D9E#271D9E

#271D9E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.194 H 273.8°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#271D9E
RGB	rgb(39, 29, 158)
HSL	hsl(245, 69%, 37%)
HSV	hsv(245, 82%, 62%)
CMYK	cmyk(75.3%, 81.6%, 0%, 38%)
CIE-LAB	lab(22.92, 46.17, -66.80)
CIE-LCH	lch(22.92, 81.20, 304.65°)
OKLab	oklab(35.59% 0.0128 -0.1932)
OKLCH	oklch(35.59% 0.194 273.8)
XYZ	xyz(7.4456, 3.7779, 32.6779)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D9E #949E1D

analogous

#1D549E #271D9E #681D9E

triadic

#271D9E #9E271D #1D9E27

tetradic

#271D9E #9E1D54 #949E1D #1D9E68

square

#271D9E #9E1D54 #949E1D #1D9E68

split-complementary

#271D9E #9E681D #549E1D

monochromatic

#0D0A37 #1A146A #271D9E #3426D2 #6056E0

Accessibility & contrast

On white

11.96

#271D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#271D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D9E

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D9E	#FFFFFF	#000000	##FFFFFF
##271D9E	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #271d9e;
/* rgb */ color: rgb(39, 29, 158);
/* oklch */ color: oklch(35.6% 0.194 273.8);

Tailwind

colors: {
  custom: {
    50: '#765dbc',
    500: '#271d9e',
    950: '#000000',
  },
}

SCSS

$custom: #271d9e;
$custom-light: #765dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#271d9e",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 244.651,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35589,
    "c": 0.19363,
    "h": 273.8
  },
  "luminance": 0.03779
}

Semantic roles & 50–950 ramp

primary

#271D9E

secondary

#BBC354

accent

#EC3CDE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271D9E

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

Preview Lab → · Contrast checker → · Palette generator →