#2B428D#2B428D

#2B428D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.128 H 267.6°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B428D
RGB	rgb(43, 66, 141)
HSL	hsl(226, 53%, 36%)
HSV	hsv(226, 70%, 55%)
CMYK	cmyk(69.5%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(30.24, 17.53, -44.38)
CIE-LCH	lch(30.24, 47.71, 291.55°)
OKLab	oklab(40.5% -0.0054 -0.1274)
OKLCH	oklch(40.5% 0.128 267.6)
XYZ	xyz(7.7505, 6.3324, 26.0079)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B428D #8D762B

analogous

#2B738D #2B428D #452B8D

triadic

#2B428D #8D2B42 #428D2B

tetradic

#2B428D #8D2B73 #8D762B #2B8D45

square

#2B428D #8D2B73 #8D762B #2B8D45

split-complementary

#2B428D #8D452B #738D2B

monochromatic

#0E162F #1D2C5E #2B428D #3958BC #637CCF

Accessibility & contrast

On white

9.26

#2B428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2B428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B428D

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B428D	#FFFFFF	#000000	##FFFFFF
##2B428D	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134C90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b428d;
/* rgb */ color: rgb(43, 66, 141);
/* oklch */ color: oklch(40.5% 0.128 267.6);

Tailwind

colors: {
  custom: {
    50: '#7176af',
    500: '#2b428d',
    950: '#000000',
  },
}

SCSS

$custom: #2b428d;
$custom-light: #7176af;
$custom-dark: #000000;

JSON

{
  "hex": "#2b428d",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 225.918,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.405,
    "c": 0.12757,
    "h": 267.6
  },
  "luminance": 0.06333
}

Semantic roles & 50–950 ramp

primary

#2B428D

secondary

#B6A15E

accent

#BB4BDD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B428D

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

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