#2F33AC#2F33AC

#2F33AC is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.187 H 272.9°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F33AC
RGB	rgb(47, 51, 172)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 73%, 67%)
CMYK	cmyk(72.7%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(29.29, 39.26, -64.75)
CIE-LCH	lch(29.29, 75.72, 301.23°)
OKLab	oklab(40.67% 0.0096 -0.1872)
OKLCH	oklch(40.67% 0.187 272.9)
XYZ	xyz(9.8000, 5.9496, 39.6536)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33AC #ACA82F

analogous

#2F71AC #2F33AC #692FAC

triadic

#2F33AC #AC2F33 #33AC2F

tetradic

#2F33AC #AC2F71 #ACA82F #2FAC69

square

#2F33AC #AC2F71 #ACA82F #2FAC69

split-complementary

#2F33AC #AC692F #71AC2F

monochromatic

#15164C #22257C #2F33AC #4B4FCE #7B7EDB

Accessibility & contrast

On white

9.59

#2F33AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F33AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33AC

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33AC	#FFFFFF	#000000	##FFFFFF
##2F33AC	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#003FAA

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f33ac;
/* rgb */ color: rgb(47, 51, 172);
/* oklch */ color: oklch(40.7% 0.187 272.9);

Tailwind

colors: {
  custom: {
    50: '#7a6bc6',
    500: '#2f33ac',
    950: '#000000',
  },
}

SCSS

$custom: #2f33ac;
$custom-light: #7a6bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33ac",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 238.08,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40673,
    "c": 0.18749,
    "h": 272.9
  },
  "luminance": 0.05951
}

Semantic roles & 50–950 ramp

primary

#2F33AC

secondary

#C3C174

accent

#DB47E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F33AC

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

Preview Lab → · Contrast checker → · Palette generator →