#2A33B5#2A33B5

#2A33B5 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.3% C 0.200 H 270.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A33B5
RGB	rgb(42, 51, 181)
HSL	hsl(236, 62%, 44%)
HSV	hsv(236, 77%, 71%)
CMYK	cmyk(76.8%, 71.8%, 0%, 29%)
CIE-LAB	lab(29.90, 41.89, -69.12)
CIE-LCH	lch(29.90, 80.82, 301.22°)
OKLab	oklab(41.31% 0.0028 -0.2001)
OKLCH	oklch(41.31% 0.2 270.8)
XYZ	xyz(10.4763, 6.1949, 44.3507)
Luminance	0.0620 (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

#2A33B5 #B5AC2A

analogous

#2A78B5 #2A33B5 #662AB5

triadic

#2A33B5 #B52A33 #33B52A

tetradic

#2A33B5 #B52A78 #B5AC2A #2AB566

square

#2A33B5 #B52A78 #B5AC2A #2AB566

split-complementary

#2A33B5 #B5662A #78B52A

monochromatic

#131752 #1E2583 #2A33B5 #4851D4 #7980E0

Accessibility & contrast

On white

9.38

#2A33B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2A33B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33B5

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33B5	#FFFFFF	#000000	##FFFFFF
##2A33B5	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB9

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a33b5;
/* rgb */ color: rgb(42, 51, 181);
/* oklch */ color: oklch(41.3% 0.200 270.8);

Tailwind

colors: {
  custom: {
    50: '#7b6ccc',
    500: '#2a33b5',
    950: '#000000',
  },
}

SCSS

$custom: #2a33b5;
$custom-light: #7b6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33b5",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 236.115,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41308,
    "c": 0.20013,
    "h": 270.8
  },
  "luminance": 0.06196
}

Semantic roles & 50–950 ramp

primary

#2A33B5

secondary

#C8C273

accent

#DB42E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2A33B5

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

Preview Lab → · Contrast checker → · Palette generator →