#2A33B7#2A33B7

#2A33B7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.5% C 0.203 H 270.7°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A33B7
RGB	rgb(42, 51, 183)
HSL	hsl(236, 63%, 44%)
HSV	hsv(236, 77%, 72%)
CMYK	cmyk(77%, 72.1%, 0%, 28.2%)
CIE-LAB	lab(30.10, 42.58, -69.97)
CIE-LCH	lch(30.10, 81.91, 301.32°)
OKLab	oklab(41.51% 0.0026 -0.2026)
OKLCH	oklch(41.51% 0.203 270.7)
XYZ	xyz(10.6830, 6.2776, 45.4392)
Luminance	0.0628 (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

#2A33B7 #B7AE2A

analogous

#2A7AB7 #2A33B7 #682AB7

triadic

#2A33B7 #B72A33 #33B72A

tetradic

#2A33B7 #B72A7A #B7AE2A #2AB768

square

#2A33B7 #B72A7A #B7AE2A #2AB768

split-complementary

#2A33B7 #B7682A #7AB72A

monochromatic

#131753 #1F2585 #2A33B7 #4952D5 #7B81E1

Accessibility & contrast

On white

9.31

#2A33B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A33B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33B7

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33B7	#FFFFFF	#000000	##FFFFFF
##2A33B7	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBB

Deuteranopia (green-blind)

#0040B5

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a33b7;
/* rgb */ color: rgb(42, 51, 183);
/* oklch */ color: oklch(41.5% 0.203 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b6cce',
    500: '#2a33b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a33b7;
$custom-light: #7b6cce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33b7",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 183
  },
  "hsl": {
    "h": 236.17,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41514,
    "c": 0.20262,
    "h": 270.7
  },
  "luminance": 0.06279
}

Semantic roles & 50–950 ramp

primary

#2A33B7

secondary

#C9C374

accent

#DB42E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2A33B7

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

Preview Lab → · Contrast checker → · Palette generator →