#2B42A4#2B42A4

#2B42A4 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.160 H 268.5°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B42A4
RGB	rgb(43, 66, 164)
HSL	hsl(229, 58%, 41%)
HSV	hsv(229, 74%, 64%)
CMYK	cmyk(73.8%, 59.8%, 0%, 35.7%)
CIE-LAB	lab(32.01, 26.26, -55.49)
CIE-LCH	lch(32.01, 61.39, 295.33°)
OKLab	oklab(42.39% -0.0042 -0.1601)
OKLCH	oklch(42.39% 0.16 268.5)
XYZ	xyz(9.6430, 7.0893, 35.9749)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B42A4 #A48D2B

analogous

#2B7EA4 #2B42A4 #502BA4

triadic

#2B42A4 #A42B42 #42A42B

tetradic

#2B42A4 #A42B7E #A48D2B #2BA450

square

#2B42A4 #A42B7E #A48D2B #2BA450

split-complementary

#2B42A4 #A4502B #7EA42B

monochromatic

#121B43 #1E2E74 #2B42A4 #3F5ACD #7084D9

Accessibility & contrast

On white

8.68

#2B42A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2B42A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B42A4

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B42A4	#FFFFFF	#000000	##FFFFFF
##2B42A4	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b42a4;
/* rgb */ color: rgb(43, 66, 164);
/* oklch */ color: oklch(42.4% 0.160 268.5);

Tailwind

colors: {
  custom: {
    50: '#7676c0',
    500: '#2b42a4',
    950: '#000000',
  },
}

SCSS

$custom: #2b42a4;
$custom-light: #7676c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b42a4",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 164
  },
  "hsl": {
    "h": 228.595,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.42391,
    "c": 0.16018,
    "h": 268.5
  },
  "luminance": 0.0709
}

Semantic roles & 50–950 ramp

primary

#2B42A4

secondary

#C1B06A

accent

#C446E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B42A4

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

Preview Lab → · Contrast checker → · Palette generator →