#2B358D#2B358D

#2B358D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.145 H 272.5°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B358D
RGB	rgb(43, 53, 141)
HSL	hsl(234, 53%, 36%)
HSV	hsv(234, 70%, 55%)
CMYK	cmyk(69.5%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(26.68, 26.35, -50.14)
CIE-LCH	lch(26.68, 56.64, 297.72°)
OKLab	oklab(37.84% 0.0062 -0.1446)
OKLCH	oklch(37.84% 0.145 272.5)
XYZ	xyz(7.0755, 4.9822, 25.7829)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B358D #8D832B

analogous

#2B668D #2B358D #522B8D

triadic

#2B358D #8D2B35 #358D2B

tetradic

#2B358D #8D2B66 #8D832B #2B8D52

square

#2B358D #8D2B66 #8D832B #2B8D52

split-complementary

#2B358D #8D522B #668D2B

monochromatic

#0E122F #1D235E #2B358D #3947BC #636ECF

Accessibility & contrast

On white

10.52

#2B358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2B358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B358D

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B358D	#FFFFFF	#000000	##FFFFFF
##2B358D	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004490

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b358d;
/* rgb */ color: rgb(43, 53, 141);
/* oklch */ color: oklch(37.8% 0.145 272.5);

Tailwind

colors: {
  custom: {
    50: '#726caf',
    500: '#2b358d',
    950: '#000000',
  },
}

SCSS

$custom: #2b358d;
$custom-light: #726caf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b358d",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 233.878,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37842,
    "c": 0.14471,
    "h": 272.5
  },
  "luminance": 0.04983
}

Semantic roles & 50–950 ramp

primary

#2B358D

secondary

#B6AD5E

accent

#CE4BDD

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B358D

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

Preview Lab → · Contrast checker → · Palette generator →