#2B3E87#2B3E87

#2B3E87 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.124 H 269.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B3E87
RGB	rgb(43, 62, 135)
HSL	hsl(228, 52%, 35%)
HSV	hsv(228, 68%, 53%)
CMYK	cmyk(68.1%, 54.1%, 0%, 47.1%)
CIE-LAB	lab(28.66, 17.98, -43.21)
CIE-LCH	lch(28.66, 46.80, 292.59°)
OKLab	oklab(39.17% -0.0021 -0.1241)
OKLCH	oklch(39.17% 0.124 269)
XYZ	xyz(7.0906, 5.7074, 23.6450)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3E87 #87742B

analogous

#2B6C87 #2B3E87 #462B87

triadic

#2B3E87 #872B3E #3E872B

tetradic

#2B3E87 #872B6C #87742B #2B8746

square

#2B3E87 #872B6C #87742B #2B8746

split-complementary

#2B3E87 #87462B #6C872B

monochromatic

#0D132A #1C2959 #2B3E87 #3A53B5 #6076CC

Accessibility & contrast

On white

9.81

#2B3E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B3E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3E87

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3E87	#FFFFFF	#000000	##FFFFFF
##2B3E87	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F488A

Deuteranopia (green-blind)

#004086

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b3e87;
/* rgb */ color: rgb(43, 62, 135);
/* oklch */ color: oklch(39.2% 0.124 269.0);

Tailwind

colors: {
  custom: {
    50: '#7072aa',
    500: '#2b3e87',
    950: '#000000',
  },
}

SCSS

$custom: #2b3e87;
$custom-light: #7072aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3e87",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 135
  },
  "hsl": {
    "h": 227.609,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3917,
    "c": 0.12411,
    "h": 269
  },
  "luminance": 0.05708
}

Semantic roles & 50–950 ramp

primary

#2B3E87

secondary

#B2A05B

accent

#BE4DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B3E87

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

Preview Lab → · Contrast checker → · Palette generator →