#2B36A3#2B36A3

#2B36A3 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.173 H 271.4°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B36A3
RGB	rgb(43, 54, 163)
HSL	hsl(235, 58%, 40%)
HSV	hsv(235, 74%, 64%)
CMYK	cmyk(73.6%, 66.9%, 0%, 36.1%)
CIE-LAB	lab(28.89, 33.76, -59.99)
CIE-LCH	lch(28.89, 68.83, 299.37°)
OKLab	oklab(40.06% 0.0042 -0.1734)
OKLCH	oklch(40.06% 0.173 271.4)
XYZ	xyz(8.9240, 5.7954, 35.2915)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B36A3 #A3982B

analogous

#2B72A3 #2B36A3 #5C2BA3

triadic

#2B36A3 #A32B36 #36A32B

tetradic

#2B36A3 #A32B72 #A3982B #2BA35C

square

#2B36A3 #A32B72 #A3982B #2BA35C

split-complementary

#2B36A3 #A35C2B #72A32B

monochromatic

#111642 #1E2673 #2B36A3 #3F4CCC #6F79D9

Accessibility & contrast

On white

9.73

#2B36A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2B36A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B36A3

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B36A3	#FFFFFF	#000000	##FFFFFF
##2B36A3	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA6

Deuteranopia (green-blind)

#003FA1

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b36a3;
/* rgb */ color: rgb(43, 54, 163);
/* oklch */ color: oklch(40.1% 0.173 271.4);

Tailwind

colors: {
  custom: {
    50: '#776dbf',
    500: '#2b36a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b36a3;
$custom-light: #776dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b36a3",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 163
  },
  "hsl": {
    "h": 234.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40064,
    "c": 0.17348,
    "h": 271.4
  },
  "luminance": 0.05796
}

Semantic roles & 50–950 ramp

primary

#2B36A3

secondary

#C0B86A

accent

#D346E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B36A3

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

Preview Lab → · Contrast checker → · Palette generator →