#2F33AE#2F33AE

#2F33AE is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.190 H 272.8°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F33AE
RGB	rgb(47, 51, 174)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 73%, 68%)
CMYK	cmyk(73%, 70.7%, 0%, 31.8%)
CIE-LAB	lab(29.48, 39.95, -65.62)
CIE-LCH	lch(29.48, 76.83, 301.34°)
OKLab	oklab(40.87% 0.0093 -0.1898)
OKLCH	oklch(40.87% 0.19 272.8)
XYZ	xyz(9.9935, 6.0270, 40.6728)
Luminance	0.0603 (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

#2F33AE #AEAA2F

analogous

#2F72AE #2F33AE #6A2FAE

triadic

#2F33AE #AE2F33 #33AE2F

tetradic

#2F33AE #AE2F72 #AEAA2F #2FAE6A

square

#2F33AE #AE2F72 #AEAA2F #2FAE6A

split-complementary

#2F33AE #AE6A2F #72AE2F

monochromatic

#15174E #22257E #2F33AE #4C50CF #7C7FDC

Accessibility & contrast

On white

9.52

#2F33AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F33AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33AE

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33AE	#FFFFFF	#000000	##FFFFFF
##2F33AE	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB2

Deuteranopia (green-blind)

#003FAC

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f33ae;
/* rgb */ color: rgb(47, 51, 174);
/* oklch */ color: oklch(40.9% 0.190 272.8);

Tailwind

colors: {
  custom: {
    50: '#7b6bc7',
    500: '#2f33ae',
    950: '#000000',
  },
}

SCSS

$custom: #2f33ae;
$custom-light: #7b6bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33ae",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 174
  },
  "hsl": {
    "h": 238.11,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40872,
    "c": 0.19004,
    "h": 272.8
  },
  "luminance": 0.06028
}

Semantic roles & 50–950 ramp

primary

#2F33AE

secondary

#C4C275

accent

#DC47E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F33AE

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

Preview Lab → · Contrast checker → · Palette generator →