#2F27B3#2F27B3

#2F27B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.208 H 273.9°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F27B3
RGB	rgb(47, 39, 179)
HSL	hsl(243, 64%, 43%)
HSV	hsv(243, 78%, 70%)
CMYK	cmyk(73.7%, 78.2%, 0%, 29.8%)
CIE-LAB	lab(27.60, 48.37, -71.72)
CIE-LCH	lch(27.60, 86.51, 304.00°)
OKLab	oklab(39.69% 0.0142 -0.2075)
OKLCH	oklch(39.69% 0.208 273.9)
XYZ	xyz(10.0318, 5.3090, 43.1351)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F27B3 #ABB327

analogous

#2765B3 #2F27B3 #7527B3

triadic

#2F27B3 #B32F27 #27B32F

tetradic

#2F27B3 #B32765 #ABB327 #27B375

square

#2F27B3 #B32765 #ABB327 #27B375

split-complementary

#2F27B3 #B37527 #65B327

monochromatic

#15114E #221C81 #2F27B3 #4A41D6 #7A74E1

Accessibility & contrast

On white

10.18

#2F27B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F27B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F27B3

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F27B3	#FFFFFF	#000000	##FFFFFF
##2F27B3	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f27b3;
/* rgb */ color: rgb(47, 39, 179);
/* oklch */ color: oklch(39.7% 0.208 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d64cb',
    500: '#2f27b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f27b3;
$custom-light: #7d64cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f27b3",
  "rgb": {
    "r": 47,
    "g": 39,
    "b": 179
  },
  "hsl": {
    "h": 243.429,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39691,
    "c": 0.20795,
    "h": 273.9
  },
  "luminance": 0.0531
}

Semantic roles & 50–950 ramp

primary

#2F27B3

secondary

#C3C86E

accent

#E741DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F27B3

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

Preview Lab → · Contrast checker → · Palette generator →