#271F57#271F57

#271F57 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.5% C 0.097 H 284.9°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#271F57
RGB	rgb(39, 31, 87)
HSL	hsl(249, 47%, 23%)
HSV	hsv(249, 64%, 34%)
CMYK	cmyk(55.2%, 64.4%, 0%, 65.9%)
CIE-LAB	lab(16.00, 20.90, -32.78)
CIE-LCH	lch(16.00, 38.87, 302.52°)
OKLab	oklab(28.45% 0.025 -0.0938)
OKLCH	oklch(28.45% 0.097 284.9)
XYZ	xyz(3.0465, 2.0993, 9.2597)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F57 #4F571F

analogous

#1F3357 #271F57 #431F57

triadic

#271F57 #57271F #1F5727

tetradic

#271F57 #571F33 #4F571F #1F5743

square

#271F57 #571F33 #4F571F #1F5743

split-complementary

#271F57 #57431F #33571F

monochromatic

#0A0817 #130F2A #271F57 #3B2F84 #4F3FB1

Accessibility & contrast

On white

14.79

#271F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#271F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F57

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F57	#FFFFFF	#000000	##FFFFFF
##271F57	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002959

Deuteranopia (green-blind)

#002656

Tritanopia (blue-blind)

#152C37

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #271f57;
/* rgb */ color: rgb(39, 31, 87);
/* oklch */ color: oklch(28.5% 0.097 284.9);

Tailwind

colors: {
  custom: {
    50: '#665b87',
    500: '#271f57',
    950: '#000000',
  },
}

SCSS

$custom: #271f57;
$custom-light: #665b87;
$custom-dark: #000000;

JSON

{
  "hex": "#271f57",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 87
  },
  "hsl": {
    "h": 248.571,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28454,
    "c": 0.09711,
    "h": 284.9
  },
  "luminance": 0.02099
}

Semantic roles & 50–950 ramp

primary

#271F57

secondary

#828C46

accent

#D751C4

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06040B

muted

#7A797C

Preview Lab

Preview with #271F57

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

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