#2B36A5#2B36A5

#2B36A5 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.176 H 271.3°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B36A5
RGB	rgb(43, 54, 165)
HSL	hsl(235, 59%, 41%)
HSV	hsv(235, 74%, 65%)
CMYK	cmyk(73.9%, 67.3%, 0%, 35.3%)
CIE-LAB	lab(29.08, 34.48, -60.89)
CIE-LCH	lch(29.08, 69.98, 299.52°)
OKLab	oklab(40.26% 0.0041 -0.1761)
OKLCH	oklch(40.26% 0.176 271.3)
XYZ	xyz(9.1047, 5.8676, 36.2427)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B36A5 #A59A2B

analogous

#2B73A5 #2B36A5 #5D2BA5

triadic

#2B36A5 #A52B36 #36A52B

tetradic

#2B36A5 #A52B73 #A59A2B #2BA55D

square

#2B36A5 #A52B73 #A59A2B #2BA55D

split-complementary

#2B36A5 #A55D2B #73A52B

monochromatic

#121644 #1E2674 #2B36A5 #404DCD #717ADA

Accessibility & contrast

On white

9.66

#2B36A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2B36A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B36A5

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B36A5	#FFFFFF	#000000	##FFFFFF
##2B36A5	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA8

Deuteranopia (green-blind)

#003FA3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b36a5;
/* rgb */ color: rgb(43, 54, 165);
/* oklch */ color: oklch(40.3% 0.176 271.3);

Tailwind

colors: {
  custom: {
    50: '#776dc1',
    500: '#2b36a5',
    950: '#000000',
  },
}

SCSS

$custom: #2b36a5;
$custom-light: #776dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b36a5",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 165
  },
  "hsl": {
    "h": 234.59,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40257,
    "c": 0.17612,
    "h": 271.3
  },
  "luminance": 0.05869
}

Semantic roles & 50–950 ramp

primary

#2B36A5

secondary

#C1B96B

accent

#D446E2

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B36A5

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

Preview Lab → · Contrast checker → · Palette generator →