#2B2BB0#2B2BB0

#2B2BB0 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.7% C 0.202 H 272.4°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B2BB0
RGB	rgb(43, 43, 176)
HSL	hsl(240, 61%, 43%)
HSV	hsv(240, 76%, 69%)
CMYK	cmyk(75.6%, 75.6%, 0%, 31%)
CIE-LAB	lab(27.78, 44.92, -69.64)
CIE-LCH	lch(27.78, 82.87, 302.82°)
OKLab	oklab(39.66% 0.0083 -0.2015)
OKLCH	oklch(39.66% 0.202 272.4)
XYZ	xyz(9.6940, 5.3749, 41.5924)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2BB0 #B0B02B

analogous

#2B6DB0 #2B2BB0 #6D2BB0

triadic

#2B2BB0 #B02B2B #2BB02B

tetradic

#2B2BB0 #B02B6D #B0B02B #2BB06D

square

#2B2BB0 #B02B6D #B0B02B #2BB06D

split-complementary

#2B2BB0 #B06D2B #6DB02B

monochromatic

#13134E #1F1F7F #2B2BB0 #4646D2 #7878DE

Accessibility & contrast

On white

10.12

#2B2BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B2BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2BB0

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2BB0	#FFFFFF	#000000	##FFFFFF
##2B2BB0	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b2bb0;
/* rgb */ color: rgb(43, 43, 176);
/* oklch */ color: oklch(39.7% 0.202 272.4);

Tailwind

colors: {
  custom: {
    50: '#7b66c9',
    500: '#2b2bb0',
    950: '#000000',
  },
}

SCSS

$custom: #2b2bb0;
$custom-light: #7b66c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2bb0",
  "rgb": {
    "r": 43,
    "g": 43,
    "b": 176
  },
  "hsl": {
    "h": 240,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39655,
    "c": 0.20172,
    "h": 272.4
  },
  "luminance": 0.05376
}

Semantic roles & 50–950 ramp

primary

#2B2BB0

secondary

#C6C671

accent

#E444E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2B2BB0

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

Preview Lab → · Contrast checker → · Palette generator →