#2A33B1#2A33B1

#2A33B1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.9% C 0.195 H 271.0°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2A33B1
RGB	rgb(42, 51, 177)
HSL	hsl(236, 62%, 43%)
HSV	hsv(236, 76%, 69%)
CMYK	cmyk(76.3%, 71.2%, 0%, 30.6%)
CIE-LAB	lab(29.50, 40.50, -67.40)
CIE-LCH	lch(29.50, 78.63, 301.00°)
OKLab	oklab(40.9% 0.0034 -0.1951)
OKLCH	oklch(40.9% 0.195 271)
XYZ	xyz(10.0718, 6.0331, 42.2201)
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

#2A33B1 #B1A82A

analogous

#2A76B1 #2A33B1 #642AB1

triadic

#2A33B1 #B12A33 #33B12A

tetradic

#2A33B1 #B12A76 #B1A82A #2AB164

square

#2A33B1 #B12A76 #B1A82A #2AB164

split-complementary

#2A33B1 #B1642A #76B12A

monochromatic

#13164E #1E2580 #2A33B1 #454FD3 #777EDF

Accessibility & contrast

On white

9.52

#2A33B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2A33B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33B1

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33B1	#FFFFFF	#000000	##FFFFFF
##2A33B1	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)

#004CB5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a33b1;
/* rgb */ color: rgb(42, 51, 177);
/* oklch */ color: oklch(40.9% 0.195 271.0);

Tailwind

colors: {
  custom: {
    50: '#7a6bca',
    500: '#2a33b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a33b1;
$custom-light: #7a6bca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33b1",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 177
  },
  "hsl": {
    "h": 236,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40897,
    "c": 0.19514,
    "h": 271
  },
  "luminance": 0.06034
}

Semantic roles & 50–950 ramp

primary

#2A33B1

secondary

#C6C170

accent

#DA43E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A33B1

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

Preview Lab → · Contrast checker → · Palette generator →