#2B4387#2B4387

#2B4387 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.3% C 0.117 H 266.5°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B4387
RGB	rgb(43, 67, 135)
HSL	hsl(224, 52%, 35%)
HSV	hsv(224, 68%, 53%)
CMYK	cmyk(68.1%, 50.4%, 0%, 47.1%)
CIE-LAB	lab(30.10, 14.56, -40.89)
CIE-LCH	lch(30.10, 43.41, 289.59°)
OKLab	oklab(40.26% -0.0071 -0.1172)
OKLCH	oklch(40.26% 0.117 266.5)
XYZ	xyz(7.3751, 6.2765, 23.7398)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4387 #876F2B

analogous

#2B7187 #2B4387 #412B87

triadic

#2B4387 #872B43 #43872B

tetradic

#2B4387 #872B71 #876F2B #2B8741

square

#2B4387 #872B71 #876F2B #2B8741

split-complementary

#2B4387 #87412B #71872B

monochromatic

#0D152A #1C2C59 #2B4387 #3A5AB5 #607CCC

Accessibility & contrast

On white

9.31

#2B4387 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B4387 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4387

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4387	#FFFFFF	#000000	##FFFFFF
##2B4387	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4B89

Deuteranopia (green-blind)

#064386

Tritanopia (blue-blind)

#00535E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4387;
/* rgb */ color: rgb(43, 67, 135);
/* oklch */ color: oklch(40.3% 0.117 266.5);

Tailwind

colors: {
  custom: {
    50: '#6f76aa',
    500: '#2b4387',
    950: '#000000',
  },
}

SCSS

$custom: #2b4387;
$custom-light: #6f76aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4387",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 135
  },
  "hsl": {
    "h": 224.348,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40261,
    "c": 0.1174,
    "h": 266.5
  },
  "luminance": 0.06277
}

Semantic roles & 50–950 ramp

primary

#2B4387

secondary

#B29C5B

accent

#B64DDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B4387

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

Preview Lab → · Contrast checker → · Palette generator →