#2F29B0#2F29B0

#2F29B0 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.6% C 0.203 H 274.0°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F29B0
RGB	rgb(47, 41, 176)
HSL	hsl(243, 62%, 43%)
HSV	hsv(243, 77%, 69%)
CMYK	cmyk(73.3%, 76.7%, 0%, 31%)
CIE-LAB	lab(27.64, 46.36, -69.86)
CIE-LCH	lch(27.64, 83.84, 303.57°)
OKLab	oklab(39.62% 0.014 -0.2021)
OKLCH	oklch(39.62% 0.203 274)
XYZ	xyz(9.7991, 5.3238, 41.5771)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F29B0 #AAB029

analogous

#2966B0 #2F29B0 #7329B0

triadic

#2F29B0 #B02F29 #29B02F

tetradic

#2F29B0 #B02966 #AAB029 #29B073

square

#2F29B0 #B02966 #AAB029 #29B073

split-complementary

#2F29B0 #B07329 #66B029

monochromatic

#14124D #221D7E #2F29B0 #4943D3 #7975DF

Accessibility & contrast

On white

10.17

#2F29B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F29B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F29B0

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F29B0	#FFFFFF	#000000	##FFFFFF
##2F29B0	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f29b0;
/* rgb */ color: rgb(47, 41, 176);
/* oklch */ color: oklch(39.6% 0.203 274.0);

Tailwind

colors: {
  custom: {
    50: '#7c65c9',
    500: '#2f29b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f29b0;
$custom-light: #7c65c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f29b0",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 176
  },
  "hsl": {
    "h": 242.667,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39623,
    "c": 0.20257,
    "h": 274
  },
  "luminance": 0.05325
}

Semantic roles & 50–950 ramp

primary

#2F29B0

secondary

#C2C66F

accent

#E543DE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F29B0

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

Preview Lab → · Contrast checker → · Palette generator →