#2A33A3#2A33A3

#2A33A3 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.177 H 271.6°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#2A33A3
RGB	rgb(42, 51, 163)
HSL	hsl(236, 59%, 40%)
HSV	hsv(236, 74%, 64%)
CMYK	cmyk(74.2%, 68.7%, 0%, 36.1%)
CIE-LAB	lab(28.12, 35.56, -61.25)
CIE-LCH	lch(28.12, 70.82, 300.14°)
OKLab	oklab(39.49% 0.005 -0.1771)
OKLCH	oklch(39.49% 0.177 271.6)
XYZ	xyz(8.7473, 5.5033, 35.2445)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33A3 #A39A2A

analogous

#2A70A3 #2A33A3 #5D2AA3

triadic

#2A33A3 #A32A33 #33A32A

tetradic

#2A33A3 #A32A70 #A39A2A #2AA35D

square

#2A33A3 #A32A70 #A39A2A #2AA35D

split-complementary

#2A33A3 #A35D2A #70A32A

monochromatic

#111542 #1D2472 #2A33A3 #3D48CD #6E76DA

Accessibility & contrast

On white

10.00

#2A33A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2A33A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33A3

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33A3	#FFFFFF	#000000	##FFFFFF
##2A33A3	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a33a3;
/* rgb */ color: rgb(42, 51, 163);
/* oklch */ color: oklch(39.5% 0.177 271.6);

Tailwind

colors: {
  custom: {
    50: '#766bbf',
    500: '#2a33a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a33a3;
$custom-light: #766bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33a3",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 163
  },
  "hsl": {
    "h": 235.537,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39492,
    "c": 0.17722,
    "h": 271.6
  },
  "luminance": 0.05504
}

Semantic roles & 50–950 ramp

primary

#2A33A3

secondary

#C0BA68

accent

#D746E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A33A3

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

Preview Lab → · Contrast checker → · Palette generator →