#2B3586#2B3586

#2B3586 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.135 H 272.7°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B3586
RGB	rgb(43, 53, 134)
HSL	hsl(233, 51%, 35%)
HSV	hsv(233, 68%, 53%)
CMYK	cmyk(67.9%, 60.4%, 0%, 47.5%)
CIE-LAB	lab(26.10, 23.75, -46.74)
CIE-LCH	lch(26.10, 52.43, 296.93°)
OKLab	oklab(37.23% 0.0063 -0.1346)
OKLCH	oklch(37.23% 0.135 272.7)
XYZ	xyz(6.5710, 4.7804, 23.1261)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3586 #867C2B

analogous

#2B6286 #2B3586 #4F2B86

triadic

#2B3586 #862B35 #35862B

tetradic

#2B3586 #862B62 #867C2B #2B864F

square

#2B3586 #862B62 #867C2B #2B864F

split-complementary

#2B3586 #864F2B #62862B

monochromatic

#0D1029 #1C2358 #2B3586 #3A47B4 #606BCC

Accessibility & contrast

On white

10.74

#2B3586 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B3586 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3586

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3586	#FFFFFF	#000000	##FFFFFF
##2B3586	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004289

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3586;
/* rgb */ color: rgb(43, 53, 134);
/* oklch */ color: oklch(37.2% 0.135 272.7);

Tailwind

colors: {
  custom: {
    50: '#706caa',
    500: '#2b3586',
    950: '#000000',
  },
}

SCSS

$custom: #2b3586;
$custom-light: #706caa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3586",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 134
  },
  "hsl": {
    "h": 233.407,
    "s": 51.412,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37226,
    "c": 0.13474,
    "h": 272.7
  },
  "luminance": 0.04781
}

Semantic roles & 50–950 ramp

primary

#2B3586

secondary

#B2A85B

accent

#CB4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3586

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

Preview Lab → · Contrast checker → · Palette generator →