#2D33A6#2D33A6

#2D33A6 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.180 H 272.6°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2D33A6
RGB	rgb(45, 51, 166)
HSL	hsl(237, 57%, 41%)
HSV	hsv(237, 73%, 65%)
CMYK	cmyk(72.9%, 69.3%, 0%, 34.9%)
CIE-LAB	lab(28.58, 36.95, -62.30)
CIE-LCH	lch(28.58, 72.43, 300.68°)
OKLab	oklab(39.96% 0.008 -0.1801)
OKLCH	oklch(39.96% 0.18 272.6)
XYZ	xyz(9.1466, 5.6778, 36.6829)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33A6 #A6A02D

analogous

#2D70A6 #2D33A6 #642DA6

triadic

#2D33A6 #A62D33 #33A62D

tetradic

#2D33A6 #A62D70 #A6A02D #2DA664

square

#2D33A6 #A62D70 #A6A02D #2DA664

split-complementary

#2D33A6 #A6642D #70A62D

monochromatic

#131546 #202476 #2D33A6 #444BCC #7479D9

Accessibility & contrast

On white

9.83

#2D33A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2D33A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33A6

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33A6	#FFFFFF	#000000	##FFFFFF
##2D33A6	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AA

Deuteranopia (green-blind)

#003EA4

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d33a6;
/* rgb */ color: rgb(45, 51, 166);
/* oklch */ color: oklch(40.0% 0.180 272.6);

Tailwind

colors: {
  custom: {
    50: '#786bc1',
    500: '#2d33a6',
    950: '#000000',
  },
}

SCSS

$custom: #2d33a6;
$custom-light: #786bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33a6",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 166
  },
  "hsl": {
    "h": 237.025,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.3996,
    "c": 0.18032,
    "h": 272.6
  },
  "luminance": 0.05679
}

Semantic roles & 50–950 ramp

primary

#2D33A6

secondary

#C1BD6E

accent

#D947E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D33A6

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

Preview Lab → · Contrast checker → · Palette generator →