#2B2BB4#2B2BB4

#2B2BB4 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.207 H 272.1°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B2BB4
RGB	rgb(43, 43, 180)
HSL	hsl(240, 61%, 44%)
HSV	hsv(240, 76%, 71%)
CMYK	cmyk(76.1%, 76.1%, 0%, 29.4%)
CIE-LAB	lab(28.21, 46.24, -71.31)
CIE-LCH	lch(28.21, 84.99, 302.96°)
OKLab	oklab(40.09% 0.0076 -0.2064)
OKLCH	oklch(40.09% 0.207 272.1)
XYZ	xyz(10.0956, 5.5356, 43.7076)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2BB4 #B4B42B

analogous

#2B6FB4 #2B2BB4 #6F2BB4

triadic

#2B2BB4 #B42B2B #2BB42B

tetradic

#2B2BB4 #B42B6F #B4B42B #2BB46F

square

#2B2BB4 #B42B6F #B4B42B #2BB46F

split-complementary

#2B2BB4 #B46F2B #6FB42B

monochromatic

#131351 #1F1F83 #2B2BB4 #4949D3 #7A7ADF

Accessibility & contrast

On white

9.96

#2B2BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2B2BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2BB4

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2BB4	#FFFFFF	#000000	##FFFFFF
##2B2BB4	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B8

Deuteranopia (green-blind)

#003CB2

Tritanopia (blue-blind)

#00546E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b2bb4;
/* rgb */ color: rgb(43, 43, 180);
/* oklch */ color: oklch(40.1% 0.207 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c66cc',
    500: '#2b2bb4',
    950: '#000000',
  },
}

SCSS

$custom: #2b2bb4;
$custom-light: #7c66cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2bb4",
  "rgb": {
    "r": 43,
    "g": 43,
    "b": 180
  },
  "hsl": {
    "h": 240,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40088,
    "c": 0.20656,
    "h": 272.1
  },
  "luminance": 0.05537
}

Semantic roles & 50–950 ramp

primary

#2B2BB4

secondary

#C7C773

accent

#E543E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2B2BB4

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

Preview Lab → · Contrast checker → · Palette generator →