#2A33A5#2A33A5

#2A33A5 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.180 H 271.5°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A33A5
RGB	rgb(42, 51, 165)
HSL	hsl(236, 59%, 41%)
HSV	hsv(236, 75%, 65%)
CMYK	cmyk(74.5%, 69.1%, 0%, 35.3%)
CIE-LAB	lab(28.32, 36.27, -62.14)
CIE-LCH	lch(28.32, 71.95, 300.27°)
OKLab	oklab(39.69% 0.0048 -0.1798)
OKLCH	oklch(39.69% 0.18 271.5)
XYZ	xyz(8.9279, 5.5756, 36.1957)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33A5 #A59C2A

analogous

#2A70A5 #2A33A5 #5E2AA5

triadic

#2A33A5 #A52A33 #33A52A

tetradic

#2A33A5 #A52A70 #A59C2A #2AA55E

square

#2A33A5 #A52A70 #A59C2A #2AA55E

split-complementary

#2A33A5 #A55E2A #70A52A

monochromatic

#111543 #1E2474 #2A33A5 #3E49CE #6F77DA

Accessibility & contrast

On white

9.93

#2A33A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2A33A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33A5

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33A5	#FFFFFF	#000000	##FFFFFF
##2A33A5	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A8

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a33a5;
/* rgb */ color: rgb(42, 51, 165);
/* oklch */ color: oklch(39.7% 0.180 271.5);

Tailwind

colors: {
  custom: {
    50: '#776bc1',
    500: '#2a33a5',
    950: '#000000',
  },
}

SCSS

$custom: #2a33a5;
$custom-light: #776bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33a5",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 165
  },
  "hsl": {
    "h": 235.61,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39689,
    "c": 0.17982,
    "h": 271.5
  },
  "luminance": 0.05577
}

Semantic roles & 50–950 ramp

primary

#2A33A5

secondary

#C1BB69

accent

#D745E3

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A33A5

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

Preview Lab → · Contrast checker → · Palette generator →