#2B3687#2B3687

#2B3687 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.135 H 272.3°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B3687
RGB	rgb(43, 54, 135)
HSL	hsl(233, 52%, 35%)
HSV	hsv(233, 68%, 53%)
CMYK	cmyk(68.1%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.45, 23.44, -46.80)
CIE-LCH	lch(26.45, 52.34, 296.61°)
OKLab	oklab(37.51% 0.0054 -0.1347)
OKLCH	oklch(37.51% 0.135 272.3)
XYZ	xyz(6.6871, 4.9006, 23.5105)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3687 #877C2B

analogous

#2B6487 #2B3687 #4E2B87

triadic

#2B3687 #872B36 #36872B

tetradic

#2B3687 #872B64 #877C2B #2B874E

square

#2B3687 #872B64 #877C2B #2B874E

split-complementary

#2B3687 #874E2B #64872B

monochromatic

#0D112A #1C2359 #2B3687 #3A49B5 #606DCC

Accessibility & contrast

On white

10.60

#2B3687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2B3687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3687

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3687	#FFFFFF	#000000	##FFFFFF
##2B3687	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3687;
/* rgb */ color: rgb(43, 54, 135);
/* oklch */ color: oklch(37.5% 0.135 272.3);

Tailwind

colors: {
  custom: {
    50: '#706cab',
    500: '#2b3687',
    950: '#000000',
  },
}

SCSS

$custom: #2b3687;
$custom-light: #706cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3687",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 232.826,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37512,
    "c": 0.13485,
    "h": 272.3
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary

#2B3687

secondary

#B2A85B

accent

#CA4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3687

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

Preview Lab → · Contrast checker → · Palette generator →