#2B358B#2B358B

#2B358B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.142 H 272.5°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B358B
RGB	rgb(43, 53, 139)
HSL	hsl(234, 53%, 36%)
HSV	hsv(234, 69%, 55%)
CMYK	cmyk(69.1%, 61.9%, 0%, 45.5%)
CIE-LAB	lab(26.51, 25.61, -49.18)
CIE-LCH	lch(26.51, 55.45, 297.51°)
OKLab	oklab(37.66% 0.0062 -0.1417)
OKLCH	oklch(37.66% 0.142 272.5)
XYZ	xyz(6.9280, 4.9232, 25.0063)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B358B #8B812B

analogous

#2B658B #2B358B #512B8B

triadic

#2B358B #8B2B35 #358B2B

tetradic

#2B358B #8B2B65 #8B812B #2B8B51

square

#2B358B #8B2B65 #8B812B #2B8B51

split-complementary

#2B358B #8B512B #658B2B

monochromatic

#0E112E #1D235C #2B358B #3947BA #626DCE

Accessibility & contrast

On white

10.58

#2B358B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B358B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B358B

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B358B	#FFFFFF	#000000	##FFFFFF
##2B358B	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b358b;
/* rgb */ color: rgb(43, 53, 139);
/* oklch */ color: oklch(37.7% 0.142 272.5);

Tailwind

colors: {
  custom: {
    50: '#716cae',
    500: '#2b358b',
    950: '#000000',
  },
}

SCSS

$custom: #2b358b;
$custom-light: #716cae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b358b",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 139
  },
  "hsl": {
    "h": 233.75,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37664,
    "c": 0.14189,
    "h": 272.5
  },
  "luminance": 0.04924
}

Semantic roles & 50–950 ramp

primary

#2B358B

secondary

#B5AB5D

accent

#CD4CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B358B

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

Preview Lab → · Contrast checker → · Palette generator →