#2B41B0#2B41B0

#2B41B0 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.178 H 268.9°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B41B0
RGB	rgb(43, 65, 176)
HSL	hsl(230, 61%, 43%)
HSV	hsv(230, 76%, 69%)
CMYK	cmyk(75.6%, 63.1%, 0%, 31%)
CIE-LAB	lab(32.76, 31.40, -61.44)
CIE-LCH	lch(32.76, 69.00, 297.07°)
OKLab	oklab(43.26% -0.0036 -0.1776)
OKLCH	oklch(43.26% 0.178 268.9)
XYZ	xyz(10.7203, 7.4276, 41.9346)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B41B0 #B09A2B

analogous

#2B84B0 #2B41B0 #572BB0

triadic

#2B41B0 #B02B41 #41B02B

tetradic

#2B41B0 #B02B84 #B09A2B #2BB057

square

#2B41B0 #B02B84 #B09A2B #2BB057

split-complementary

#2B41B0 #B0572B #84B02B

monochromatic

#131D4E #1F2F7F #2B41B0 #465DD2 #7888DE

Accessibility & contrast

On white

8.45

#2B41B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B41B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B41B0

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B41B0	#FFFFFF	#000000	##FFFFFF
##2B41B0	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B4

Deuteranopia (green-blind)

#0047AE

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b41b0;
/* rgb */ color: rgb(43, 65, 176);
/* oklch */ color: oklch(43.3% 0.178 268.9);

Tailwind

colors: {
  custom: {
    50: '#7975c9',
    500: '#2b41b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b41b0;
$custom-light: #7975c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b41b0",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 176
  },
  "hsl": {
    "h": 230.075,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43262,
    "c": 0.17765,
    "h": 268.9
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#2B41B0

secondary

#C6B871

accent

#C944E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B41B0

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

Preview Lab → · Contrast checker → · Palette generator →