#2B4B87#2B4B87

#2B4B87 is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.1% C 0.107 H 261.8°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B4B87
RGB	rgb(43, 75, 135)
HSL	hsl(219, 52%, 35%)
HSV	hsv(219, 68%, 53%)
CMYK	cmyk(68.1%, 44.4%, 0%, 47.1%)
CIE-LAB	lab(32.47, 9.15, -37.10)
CIE-LCH	lch(32.47, 38.21, 283.85°)
OKLab	oklab(42.08% -0.0153 -0.1059)
OKLCH	oklch(42.08% 0.107 261.8)
XYZ	xyz(7.8840, 7.2942, 23.9094)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4B87 #87672B

analogous

#2B7987 #2B4B87 #392B87

triadic

#2B4B87 #872B4B #4B872B

tetradic

#2B4B87 #872B79 #87672B #2B8739

square

#2B4B87 #872B79 #87672B #2B8739

split-complementary

#2B4B87 #87392B #79872B

monochromatic

#0D172A #1C3159 #2B4B87 #3A65B5 #6086CC

Accessibility & contrast

On white

8.54

#2B4B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2B4B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4B87

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4B87	#FFFFFF	#000000	##FFFFFF
##2B4B87	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5189

Deuteranopia (green-blind)

#204886

Tritanopia (blue-blind)

#005962

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b4b87;
/* rgb */ color: rgb(43, 75, 135);
/* oklch */ color: oklch(42.1% 0.107 261.8);

Tailwind

colors: {
  custom: {
    50: '#6f7caa',
    500: '#2b4b87',
    950: '#000000',
  },
}

SCSS

$custom: #2b4b87;
$custom-light: #6f7caa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4b87",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 135
  },
  "hsl": {
    "h": 219.13,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42076,
    "c": 0.107,
    "h": 261.8
  },
  "luminance": 0.07295
}

Semantic roles & 50–950 ramp

primary

#2B4B87

secondary

#B2945B

accent

#AA4DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4B87

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

Preview Lab → · Contrast checker → · Palette generator →