#2F29B4#2F29B4

#2F29B4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.207 H 273.6°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#2F29B4
RGB	rgb(47, 41, 180)
HSL	hsl(243, 63%, 43%)
HSV	hsv(243, 77%, 71%)
CMYK	cmyk(73.9%, 77.2%, 0%, 29.4%)
CIE-LAB	lab(28.07, 47.64, -71.53)
CIE-LCH	lch(28.07, 85.94, 303.67°)
OKLab	oklab(40.06% 0.0131 -0.2069)
OKLCH	oklch(40.06% 0.207 273.6)
XYZ	xyz(10.2007, 5.4845, 43.6922)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F29B4 #AEB429

analogous

#2968B4 #2F29B4 #7429B4

triadic

#2F29B4 #B42F29 #29B42F

tetradic

#2F29B4 #B42968 #AEB429 #29B474

square

#2F29B4 #B42968 #AEB429 #29B474

split-complementary

#2F29B4 #B47429 #68B429

monochromatic

#151250 #221E82 #2F29B4 #4C45D5 #7C77E0

Accessibility & contrast

On white

10.01

#2F29B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F29B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F29B4

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F29B4	#FFFFFF	#000000	##FFFFFF
##2F29B4	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f29b4;
/* rgb */ color: rgb(47, 41, 180);
/* oklch */ color: oklch(40.1% 0.207 273.6);

Tailwind

colors: {
  custom: {
    50: '#7d65cc',
    500: '#2f29b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f29b4;
$custom-light: #7d65cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f29b4",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 180
  },
  "hsl": {
    "h": 242.59,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40057,
    "c": 0.20737,
    "h": 273.6
  },
  "luminance": 0.05486
}

Semantic roles & 50–950 ramp

primary

#2F29B4

secondary

#C4C871

accent

#E642DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2F29B4

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

Preview Lab → · Contrast checker → · Palette generator →