#2A33AB#2A33AB

#2A33AB is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.3% C 0.188 H 271.3°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#2A33AB
RGB	rgb(42, 51, 171)
HSL	hsl(236, 61%, 42%)
HSV	hsv(236, 75%, 67%)
CMYK	cmyk(75.4%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(28.90, 38.40, -64.79)
CIE-LCH	lch(28.90, 75.32, 300.65°)
OKLab	oklab(40.29% 0.0041 -0.1875)
OKLCH	oklch(40.29% 0.188 271.3)
XYZ	xyz(9.4869, 5.7992, 39.1396)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A33AB #ABA22A

analogous

#2A74AB #2A33AB #622AAB

triadic

#2A33AB #AB2A33 #33AB2A

tetradic

#2A33AB #AB2A74 #ABA22A #2AAB62

square

#2A33AB #AB2A74 #ABA22A #2AAB62

split-complementary

#2A33AB #AB622A #74AB2A

monochromatic

#121649 #1E247A #2A33AB #424CD1 #737ADD

Accessibility & contrast

On white

9.72

#2A33AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A33AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A33AB

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A33AB	#FFFFFF	#000000	##FFFFFF
##2A33AB	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a33ab;
/* rgb */ color: rgb(42, 51, 171);
/* oklch */ color: oklch(40.3% 0.188 271.3);

Tailwind

colors: {
  custom: {
    50: '#786bc5',
    500: '#2a33ab',
    950: '#000000',
  },
}

SCSS

$custom: #2a33ab;
$custom-light: #786bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a33ab",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 235.814,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40289,
    "c": 0.18755,
    "h": 271.3
  },
  "luminance": 0.058
}

Semantic roles & 50–950 ramp

primary

#2A33AB

secondary

#C4BE6D

accent

#D944E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A33AB

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

Preview Lab → · Contrast checker → · Palette generator →