#2B42A8#2B42A8

#2B42A8 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.166 H 268.6°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B42A8
RGB	rgb(43, 66, 168)
HSL	hsl(229, 59%, 41%)
HSV	hsv(229, 74%, 66%)
CMYK	cmyk(74.4%, 60.7%, 0%, 34.1%)
CIE-LAB	lab(32.34, 27.77, -57.35)
CIE-LCH	lch(32.34, 63.72, 295.83°)
OKLab	oklab(42.74% -0.0041 -0.1656)
OKLCH	oklch(42.74% 0.166 268.6)
XYZ	xyz(10.0099, 7.2361, 37.9074)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B42A8 #A8912B

analogous

#2B81A8 #2B42A8 #532BA8

triadic

#2B42A8 #A82B42 #42A82B

tetradic

#2B42A8 #A82B81 #A8912B #2BA853

square

#2B42A8 #A82B81 #A8912B #2BA853

split-complementary

#2B42A8 #A8532B #81A82B

monochromatic

#121C47 #1F2F77 #2B42A8 #425CCF #7286DB

Accessibility & contrast

On white

8.58

#2B42A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2B42A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B42A8

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B42A8	#FFFFFF	#000000	##FFFFFF
##2B42A8	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AB

Deuteranopia (green-blind)

#0046A6

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b42a8;
/* rgb */ color: rgb(43, 66, 168);
/* oklch */ color: oklch(42.7% 0.166 268.6);

Tailwind

colors: {
  custom: {
    50: '#7776c3',
    500: '#2b42a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b42a8;
$custom-light: #7776c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b42a8",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 168
  },
  "hsl": {
    "h": 228.96,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42739,
    "c": 0.16566,
    "h": 268.6
  },
  "luminance": 0.07237
}

Semantic roles & 50–950 ramp

primary

#2B42A8

secondary

#C2B36C

accent

#C645E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B42A8

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

Preview Lab → · Contrast checker → · Palette generator →