#2B3D87#2B3D87

#2B3D87 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.125 H 269.5°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D87
RGB	rgb(43, 61, 135)
HSL	hsl(228, 52%, 35%)
HSV	hsv(228, 68%, 53%)
CMYK	cmyk(68.1%, 54.8%, 0%, 47.1%)
CIE-LAB	lab(28.38, 18.66, -43.67)
CIE-LCH	lch(28.38, 47.49, 293.14°)
OKLab	oklab(38.96% -0.0012 -0.1254)
OKLCH	oklch(38.96% 0.125 269.5)
XYZ	xyz(7.0367, 5.5997, 23.6270)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D87 #87752B

analogous

#2B6B87 #2B3D87 #472B87

triadic

#2B3D87 #872B3D #3D872B

tetradic

#2B3D87 #872B6B #87752B #2B8747

square

#2B3D87 #872B6B #87752B #2B8747

split-complementary

#2B3D87 #87472B #6B872B

monochromatic

#0D132A #1C2859 #2B3D87 #3A52B5 #6075CC

Accessibility & contrast

On white

9.91

#2B3D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2B3D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D87

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D87	#FFFFFF	#000000	##FFFFFF
##2B3D87	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A478A

Deuteranopia (green-blind)

#003F85

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b3d87;
/* rgb */ color: rgb(43, 61, 135);
/* oklch */ color: oklch(39.0% 0.125 269.5);

Tailwind

colors: {
  custom: {
    50: '#7072aa',
    500: '#2b3d87',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d87;
$custom-light: #7072aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d87",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 135
  },
  "hsl": {
    "h": 228.261,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38957,
    "c": 0.12546,
    "h": 269.5
  },
  "luminance": 0.056
}

Semantic roles & 50–950 ramp

primary

#2B3D87

secondary

#B2A15B

accent

#BF4DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3D87

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

Preview Lab → · Contrast checker → · Palette generator →