#2D27B3#2D27B3

#2D27B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.6% C 0.208 H 273.2°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2D27B3
RGB	rgb(45, 39, 179)
HSL	hsl(243, 64%, 43%)
HSV	hsv(243, 78%, 70%)
CMYK	cmyk(74.9%, 78.2%, 0%, 29.8%)
CIE-LAB	lab(27.47, 48.21, -71.93)
CIE-LCH	lch(27.47, 86.60, 303.83°)
OKLab	oklab(39.57% 0.0117 -0.2081)
OKLCH	oklch(39.57% 0.208 273.2)
XYZ	xyz(9.9417, 5.2626, 43.1309)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D27B3 #ADB327

analogous

#2767B3 #2D27B3 #7327B3

triadic

#2D27B3 #B32D27 #27B32D

tetradic

#2D27B3 #B32767 #ADB327 #27B373

square

#2D27B3 #B32767 #ADB327 #27B373

split-complementary

#2D27B3 #B37327 #67B327

monochromatic

#14114E #201C81 #2D27B3 #4841D6 #7874E1

Accessibility & contrast

On white

10.23

#2D27B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2D27B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D27B3

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D27B3	#FFFFFF	#000000	##FFFFFF
##2D27B3	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2d27b3;
/* rgb */ color: rgb(45, 39, 179);
/* oklch */ color: oklch(39.6% 0.208 273.2);

Tailwind

colors: {
  custom: {
    50: '#7c64cb',
    500: '#2d27b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d27b3;
$custom-light: #7c64cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d27b3",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 179
  },
  "hsl": {
    "h": 242.571,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39568,
    "c": 0.20847,
    "h": 273.2
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#2D27B3

secondary

#C4C86E

accent

#E741E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D27B3

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

Preview Lab → · Contrast checker → · Palette generator →