#2F33A7#2F33A7

#2F33A7 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.2% C 0.181 H 273.2°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#2F33A7
RGB	rgb(47, 51, 167)
HSL	hsl(238, 56%, 42%)
HSV	hsv(238, 72%, 65%)
CMYK	cmyk(71.9%, 69.5%, 0%, 34.5%)
CIE-LAB	lab(28.80, 37.53, -62.54)
CIE-LCH	lch(28.80, 72.93, 300.97°)
OKLab	oklab(40.18% 0.0102 -0.1808)
OKLCH	oklch(40.18% 0.181 273.2)
XYZ	xyz(9.3288, 5.7611, 37.1721)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33A7 #A7A32F

analogous

#2F6FA7 #2F33A7 #672FA7

triadic

#2F33A7 #A72F33 #33A72F

tetradic

#2F33A7 #A72F6F #A7A32F #2FA767

square

#2F33A7 #A72F6F #A7A32F #2FA767

split-complementary

#2F33A7 #A7672F #6FA72F

monochromatic

#141647 #222477 #2F33A7 #484CCB #787BD9

Accessibility & contrast

On white

9.76

#2F33A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F33A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33A7

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33A7	#FFFFFF	#000000	##FFFFFF
##2F33A7	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAB

Deuteranopia (green-blind)

#003EA5

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f33a7;
/* rgb */ color: rgb(47, 51, 167);
/* oklch */ color: oklch(40.2% 0.181 273.2);

Tailwind

colors: {
  custom: {
    50: '#796bc2',
    500: '#2f33a7',
    950: '#000000',
  },
}

SCSS

$custom: #2f33a7;
$custom-light: #796bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33a7",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 167
  },
  "hsl": {
    "h": 238,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40178,
    "c": 0.18109,
    "h": 273.2
  },
  "luminance": 0.05762
}

Semantic roles & 50–950 ramp

primary

#2F33A7

secondary

#C1BE71

accent

#DA48DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2F33A7

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

Preview Lab → · Contrast checker → · Palette generator →