#2B4187#2B4187

#2B4187 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.120 H 267.6°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B4187
RGB	rgb(43, 65, 135)
HSL	hsl(226, 52%, 35%)
HSV	hsv(226, 68%, 53%)
CMYK	cmyk(68.1%, 51.9%, 0%, 47.1%)
CIE-LAB	lab(29.52, 15.92, -41.83)
CIE-LCH	lch(29.52, 44.75, 290.84°)
OKLab	oklab(39.82% -0.0051 -0.12)
OKLCH	oklch(39.82% 0.12 267.6)
XYZ	xyz(7.2582, 6.0428, 23.7008)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4187 #87712B

analogous

#2B6F87 #2B4187 #432B87

triadic

#2B4187 #872B41 #41872B

tetradic

#2B4187 #872B6F #87712B #2B8743

square

#2B4187 #872B6F #87712B #2B8743

split-complementary

#2B4187 #87432B #6F872B

monochromatic

#0D142A #1C2B59 #2B4187 #3A57B5 #607ACC

Accessibility & contrast

On white

9.51

#2B4187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2B4187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4187

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4187	#FFFFFF	#000000	##FFFFFF
##2B4187	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194A8A

Deuteranopia (green-blind)

#004286

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b4187;
/* rgb */ color: rgb(43, 65, 135);
/* oklch */ color: oklch(39.8% 0.120 267.6);

Tailwind

colors: {
  custom: {
    50: '#6f75aa',
    500: '#2b4187',
    950: '#000000',
  },
}

SCSS

$custom: #2b4187;
$custom-light: #6f75aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4187",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 135
  },
  "hsl": {
    "h": 225.652,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3982,
    "c": 0.12008,
    "h": 267.6
  },
  "luminance": 0.06043
}

Semantic roles & 50–950 ramp

primary

#2B4187

secondary

#B29E5B

accent

#B94DDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B4187

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

Preview Lab → · Contrast checker → · Palette generator →