#2B3686#2B3686

#2B3686 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.133 H 272.3°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#2B3686
RGB	rgb(43, 54, 134)
HSL	hsl(233, 51%, 35%)
HSV	hsv(233, 68%, 53%)
CMYK	cmyk(67.9%, 59.7%, 0%, 47.5%)
CIE-LAB	lab(26.37, 23.07, -46.31)
CIE-LCH	lch(26.37, 51.73, 296.48°)
OKLab	oklab(37.43% 0.0054 -0.1333)
OKLCH	oklch(37.43% 0.133 272.3)
XYZ	xyz(6.6171, 4.8726, 23.1414)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3686 #867B2B

analogous

#2B6486 #2B3686 #4D2B86

triadic

#2B3686 #862B36 #36862B

tetradic

#2B3686 #862B64 #867B2B #2B864D

square

#2B3686 #862B64 #867B2B #2B864D

split-complementary

#2B3686 #864D2B #64862B

monochromatic

#0D1129 #1C2358 #2B3686 #3A49B4 #606DCC

Accessibility & contrast

On white

10.64

#2B3686 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B3686 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3686

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3686	#FFFFFF	#000000	##FFFFFF
##2B3686	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004389

Deuteranopia (green-blind)

#003A84

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3686;
/* rgb */ color: rgb(43, 54, 134);
/* oklch */ color: oklch(37.4% 0.133 272.3);

Tailwind

colors: {
  custom: {
    50: '#706caa',
    500: '#2b3686',
    950: '#000000',
  },
}

SCSS

$custom: #2b3686;
$custom-light: #706caa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3686",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 134
  },
  "hsl": {
    "h": 232.747,
    "s": 51.412,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37426,
    "c": 0.13341,
    "h": 272.3
  },
  "luminance": 0.04873
}

Semantic roles & 50–950 ramp

primary

#2B3686

secondary

#B2A75B

accent

#CA4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3686

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

Preview Lab → · Contrast checker → · Palette generator →