#2B428F#2B428F

#2B428F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.130 H 267.7°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B428F
RGB	rgb(43, 66, 143)
HSL	hsl(226, 54%, 36%)
HSV	hsv(226, 70%, 56%)
CMYK	cmyk(69.9%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.38, 18.29, -45.37)
CIE-LCH	lch(30.38, 48.92, 291.96°)
OKLab	oklab(40.66% -0.0052 -0.1304)
OKLCH	oklch(40.66% 0.13 267.7)
XYZ	xyz(7.9007, 6.3924, 26.7988)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B428F #8F782B

analogous

#2B748F #2B428F #462B8F

triadic

#2B428F #8F2B42 #428F2B

tetradic

#2B428F #8F2B74 #8F782B #2B8F46

square

#2B428F #8F2B74 #8F782B #2B8F46

split-complementary

#2B428F #8F462B #748F2B

monochromatic

#0F1731 #1D2C60 #2B428F #3958BE #647DD0

Accessibility & contrast

On white

9.22

#2B428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2B428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B428F

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B428F	#FFFFFF	#000000	##FFFFFF
##2B428F	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4C92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b428f;
/* rgb */ color: rgb(43, 66, 143);
/* oklch */ color: oklch(40.7% 0.130 267.7);

Tailwind

colors: {
  custom: {
    50: '#7176b0',
    500: '#2b428f',
    950: '#000000',
  },
}

SCSS

$custom: #2b428f;
$custom-light: #7176b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b428f",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 226.2,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40657,
    "c": 0.13048,
    "h": 267.7
  },
  "luminance": 0.06393
}

Semantic roles & 50–950 ramp

primary

#2B428F

secondary

#B7A25F

accent

#BB4BDD

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B428F

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

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