#2A27B1#2A27B1

#2A27B1 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.2% C 0.207 H 272.4°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A27B1
RGB	rgb(42, 39, 177)
HSL	hsl(241, 64%, 42%)
HSV	hsv(241, 78%, 69%)
CMYK	cmyk(76.3%, 78%, 0%, 30.6%)
CIE-LAB	lab(27.06, 47.34, -71.42)
CIE-LCH	lch(27.06, 85.68, 303.54°)
OKLab	oklab(39.17% 0.0085 -0.2067)
OKLCH	oklch(39.17% 0.207 272.4)
XYZ	xyz(9.6135, 5.1166, 42.0674)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A27B1 #AEB127

analogous

#2769B1 #2A27B1 #6F27B1

triadic

#2A27B1 #B12A27 #27B12A

tetradic

#2A27B1 #B12769 #AEB127 #27B16F

square

#2A27B1 #B12769 #AEB127 #27B16F

split-complementary

#2A27B1 #B16F27 #69B127

monochromatic

#12114D #1E1C7F #2A27B1 #4340D5 #7572E0

Accessibility & contrast

On white

10.38

#2A27B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2A27B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A27B1

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A27B1	#FFFFFF	#000000	##FFFFFF
##2A27B1	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#0039AF

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a27b1;
/* rgb */ color: rgb(42, 39, 177);
/* oklch */ color: oklch(39.2% 0.207 272.4);

Tailwind

colors: {
  custom: {
    50: '#7b64ca',
    500: '#2a27b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a27b1;
$custom-light: #7b64ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a27b1",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 177
  },
  "hsl": {
    "h": 241.304,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39169,
    "c": 0.20688,
    "h": 272.4
  },
  "luminance": 0.05118
}

Semantic roles & 50–950 ramp

primary

#2A27B1

secondary

#C5C76D

accent

#E741E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2A27B1

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

Preview Lab → · Contrast checker → · Palette generator →