#2F33B7#2F33B7

#2F33B7 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.8% C 0.201 H 272.3°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2F33B7
RGB	rgb(47, 51, 183)
HSL	hsl(238, 59%, 45%)
HSV	hsv(238, 74%, 72%)
CMYK	cmyk(74.3%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(30.38, 43.03, -69.51)
CIE-LCH	lch(30.38, 81.75, 301.76°)
OKLab	oklab(41.78% 0.008 -0.2011)
OKLCH	oklch(41.78% 0.201 272.3)
XYZ	xyz(10.9005, 6.3898, 45.4494)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33B7 #B7B32F

analogous

#2F77B7 #2F33B7 #6F2FB7

triadic

#2F33B7 #B72F33 #33B72F

tetradic

#2F33B7 #B72F77 #B7B32F #2FB76F

square

#2F33B7 #B72F77 #B7B32F #2FB76F

split-complementary

#2F33B7 #B76F2F #77B72F

monochromatic

#161856 #222586 #2F33B7 #5155D2 #8284DF

Accessibility & contrast

On white

9.22

#2F33B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F33B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33B7

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33B7	#FFFFFF	#000000	##FFFFFF
##2F33B7	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f33b7;
/* rgb */ color: rgb(47, 51, 183);
/* oklch */ color: oklch(41.8% 0.201 272.3);

Tailwind

colors: {
  custom: {
    50: '#7d6cce',
    500: '#2f33b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f33b7;
$custom-light: #7d6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33b7",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 238.235,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41783,
    "c": 0.20131,
    "h": 272.3
  },
  "luminance": 0.06391
}

Semantic roles & 50–950 ramp

primary

#2F33B7

secondary

#C8C67A

accent

#DE45E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F33B7

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

Preview Lab → · Contrast checker → · Palette generator →