#2B4288#2B4288

#2B4288 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.120 H 267.2°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B4288
RGB	rgb(43, 66, 136)
HSL	hsl(225, 52%, 35%)
HSV	hsv(225, 68%, 53%)
CMYK	cmyk(68.4%, 51.5%, 0%, 46.7%)
CIE-LAB	lab(29.88, 15.62, -41.87)
CIE-LCH	lch(29.88, 44.69, 290.46°)
OKLab	oklab(40.12% -0.006 -0.1201)
OKLCH	oklch(40.12% 0.12 267.2)
XYZ	xyz(7.3869, 6.1869, 24.0927)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4288 #88712B

analogous

#2B7188 #2B4288 #422B88

triadic

#2B4288 #882B42 #42882B

tetradic

#2B4288 #882B71 #88712B #2B8842

square

#2B4288 #882B71 #88712B #2B8842

split-complementary

#2B4288 #88422B #71882B

monochromatic

#0E152B #1C2B5A #2B4288 #3A59B6 #617BCD

Accessibility & contrast

On white

9.39

#2B4288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2B4288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4288

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4288	#FFFFFF	#000000	##FFFFFF
##2B4288	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4B8B

Deuteranopia (green-blind)

#004287

Tritanopia (blue-blind)

#00525E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b4288;
/* rgb */ color: rgb(43, 66, 136);
/* oklch */ color: oklch(40.1% 0.120 267.2);

Tailwind

colors: {
  custom: {
    50: '#7075ab',
    500: '#2b4288',
    950: '#000000',
  },
}

SCSS

$custom: #2b4288;
$custom-light: #7075ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4288",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 136
  },
  "hsl": {
    "h": 225.161,
    "s": 51.955,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40115,
    "c": 0.12022,
    "h": 267.2
  },
  "luminance": 0.06188
}

Semantic roles & 50–950 ramp

primary

#2B4288

secondary

#B39D5C

accent

#B84CDB

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B4288

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

Preview Lab → · Contrast checker → · Palette generator →