#2A33A6#2A33A6

#2A33A6 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.181 H 271.5°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A33A6
RGB	rgb(42, 51, 166)
HSL	hsl(236, 60%, 41%)
HSV	hsv(236, 75%, 65%)
CMYK	cmyk(74.7%, 69.3%, 0%, 34.9%)
CIE-LAB	lab(28.41, 36.63, -62.59)
CIE-LCH	lch(28.41, 72.52, 300.34°)
OKLab	oklab(39.79% 0.0047 -0.1811)
OKLCH	oklch(39.79% 0.181 271.5)
XYZ	xyz(9.0193, 5.6121, 36.6769)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33A6 #A69D2A

analogous

#2A71A6 #2A33A6 #5F2AA6

triadic

#2A33A6 #A62A33 #33A62A

tetradic

#2A33A6 #A62A71 #A69D2A #2AA65F

square

#2A33A6 #A62A71 #A69D2A #2AA65F

split-complementary

#2A33A6 #A65F2A #71A62A

monochromatic

#111544 #1E2475 #2A33A6 #3F49CE #7077DB

Accessibility & contrast

On white

9.89

#2A33A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2A33A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33A6

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33A6	#FFFFFF	#000000	##FFFFFF
##2A33A6	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AA

Deuteranopia (green-blind)

#003DA4

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a33a6;
/* rgb */ color: rgb(42, 51, 166);
/* oklch */ color: oklch(39.8% 0.181 271.5);

Tailwind

colors: {
  custom: {
    50: '#776bc2',
    500: '#2a33a6',
    950: '#000000',
  },
}

SCSS

$custom: #2a33a6;
$custom-light: #776bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33a6",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 166
  },
  "hsl": {
    "h": 235.645,
    "s": 59.615,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39789,
    "c": 0.18112,
    "h": 271.5
  },
  "luminance": 0.05613
}

Semantic roles & 50–950 ramp

primary

#2A33A6

secondary

#C2BB6A

accent

#D745E3

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A33A6

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

Preview Lab → · Contrast checker → · Palette generator →