#271F77#271F77

#271F77 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.143 H 278.4°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#271F77
RGB	rgb(39, 31, 119)
HSL	hsl(245, 59%, 29%)
HSV	hsv(245, 74%, 47%)
CMYK	cmyk(67.2%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(18.98, 32.15, -48.91)
CIE-LCH	lch(18.98, 58.53, 303.32°)
OKLab	oklab(31.54% 0.0209 -0.1411)
OKLCH	oklch(31.54% 0.143 278.4)
XYZ	xyz(4.6554, 2.7428, 17.7333)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F77 #6F771F

analogous

#1F4377 #271F77 #531F77

triadic

#271F77 #77271F #1F7727

tetradic

#271F77 #771F43 #6F771F #1F7753

square

#271F77 #771F43 #6F771F #1F7753

split-complementary

#271F77 #77531F #43771F

monochromatic

#080618 #171246 #271F77 #372CA8 #4F43CE

Accessibility & contrast

On white

13.56

#271F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#271F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F77

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F77	#FFFFFF	#000000	##FFFFFF
##271F77	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271f77;
/* rgb */ color: rgb(39, 31, 119);
/* oklch */ color: oklch(31.5% 0.143 278.4);

Tailwind

colors: {
  custom: {
    50: '#6d5c9f',
    500: '#271f77',
    950: '#000000',
  },
}

SCSS

$custom: #271f77;
$custom-light: #6d5c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#271f77",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 245.455,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31536,
    "c": 0.14269,
    "h": 278.4
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#271F77

secondary

#A2AB47

accent

#E246D4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040F

muted

#7A797E

Preview Lab

Preview with #271F77

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

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