#2A33B8#2A33B8

#2A33B8 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.6% C 0.204 H 270.7°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#2A33B8
RGB	rgb(42, 51, 184)
HSL	hsl(236, 63%, 44%)
HSV	hsv(236, 77%, 72%)
CMYK	cmyk(77.2%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(30.20, 42.93, -70.40)
CIE-LCH	lch(30.20, 82.45, 301.37°)
OKLab	oklab(41.62% 0.0024 -0.2038)
OKLCH	oklch(41.62% 0.204 270.7)
XYZ	xyz(10.7875, 6.3194, 45.9893)
Luminance	0.0632 (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

#2A33B8 #B8AF2A

analogous

#2A7AB8 #2A33B8 #682AB8

triadic

#2A33B8 #B82A33 #33B82A

tetradic

#2A33B8 #B82A7A #B8AF2A #2AB868

square

#2A33B8 #B82A7A #B8AF2A #2AB868

split-complementary

#2A33B8 #B8682A #7AB82A

monochromatic

#131754 #1F2586 #2A33B8 #4A52D6 #7B82E1

Accessibility & contrast

On white

9.27

#2A33B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A33B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33B8

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33B8	#FFFFFF	#000000	##FFFFFF
##2A33B8	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a33b8;
/* rgb */ color: rgb(42, 51, 184);
/* oklch */ color: oklch(41.6% 0.204 270.7);

Tailwind

colors: {
  custom: {
    50: '#7c6ccf',
    500: '#2a33b8',
    950: '#000000',
  },
}

SCSS

$custom: #2a33b8;
$custom-light: #7c6ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33b8",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 236.197,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41618,
    "c": 0.20384,
    "h": 270.7
  },
  "luminance": 0.06321
}

Semantic roles & 50–950 ramp

primary

#2A33B8

secondary

#C9C475

accent

#DB42E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2A33B8

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

Preview Lab → · Contrast checker → · Palette generator →