#2F29B1#2F29B1

#2F29B1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.7% C 0.204 H 273.9°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F29B1
RGB	rgb(47, 41, 177)
HSL	hsl(243, 62%, 43%)
HSV	hsv(243, 77%, 69%)
CMYK	cmyk(73.4%, 76.8%, 0%, 30.6%)
CIE-LAB	lab(27.75, 46.68, -70.28)
CIE-LCH	lch(27.75, 84.37, 303.59°)
OKLab	oklab(39.73% 0.0138 -0.2033)
OKLCH	oklch(39.73% 0.204 273.9)
XYZ	xyz(9.8984, 5.3635, 42.1001)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F29B1 #ABB129

analogous

#2967B1 #2F29B1 #7329B1

triadic

#2F29B1 #B12F29 #29B12F

tetradic

#2F29B1 #B12967 #ABB129 #29B173

square

#2F29B1 #B12967 #ABB129 #29B173

split-complementary

#2F29B1 #B17329 #67B129

monochromatic

#15124E #221D7F #2F29B1 #4A44D4 #7A75DF

Accessibility & contrast

On white

10.13

#2F29B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F29B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F29B1

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F29B1	#FFFFFF	#000000	##FFFFFF
##2F29B1	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003BAF

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f29b1;
/* rgb */ color: rgb(47, 41, 177);
/* oklch */ color: oklch(39.7% 0.204 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d65ca',
    500: '#2f29b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f29b1;
$custom-light: #7d65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f29b1",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 177
  },
  "hsl": {
    "h": 242.647,
    "s": 62.385,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39731,
    "c": 0.20378,
    "h": 273.9
  },
  "luminance": 0.05365
}

Semantic roles & 50–950 ramp

primary

#2F29B1

secondary

#C3C76F

accent

#E542DE

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F29B1

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

Preview Lab → · Contrast checker → · Palette generator →