#2B359B#2B359B

#2B359B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.164 H 271.9°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B359B
RGB	rgb(43, 53, 155)
HSL	hsl(235, 57%, 39%)
HSV	hsv(235, 72%, 61%)
CMYK	cmyk(72.3%, 65.8%, 0%, 39.2%)
CIE-LAB	lab(27.91, 31.50, -56.73)
CIE-LCH	lch(27.91, 64.89, 299.04°)
OKLab	oklab(39.13% 0.0055 -0.1639)
OKLCH	oklch(39.13% 0.164 271.9)
XYZ	xyz(8.1838, 5.4255, 31.6199)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B359B #9B912B

analogous

#2B6D9B #2B359B #592B9B

triadic

#2B359B #9B2B35 #359B2B

tetradic

#2B359B #9B2B6D #9B912B #2B9B59

square

#2B359B #9B2B6D #9B912B #2B9B59

split-complementary

#2B359B #9B592B #6D9B2B

monochromatic

#10143B #1E256B #2B359B #3B47C9 #6B74D6

Accessibility & contrast

On white

10.07

#2B359B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2B359B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B359B

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B359B	#FFFFFF	#000000	##FFFFFF
##2B359B	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b359b;
/* rgb */ color: rgb(43, 53, 155);
/* oklch */ color: oklch(39.1% 0.164 271.9);

Tailwind

colors: {
  custom: {
    50: '#756cb9',
    500: '#2b359b',
    950: '#000000',
  },
}

SCSS

$custom: #2b359b;
$custom-light: #756cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b359b",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 155
  },
  "hsl": {
    "h": 234.643,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39127,
    "c": 0.16399,
    "h": 271.9
  },
  "luminance": 0.05426
}

Semantic roles & 50–950 ramp

primary

#2B359B

secondary

#BCB565

accent

#D248E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B359B

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

Preview Lab → · Contrast checker → · Palette generator →