#2B428C#2B428C

#2B428C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.126 H 267.5°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B428C
RGB	rgb(43, 66, 140)
HSL	hsl(226, 53%, 36%)
HSV	hsv(226, 69%, 55%)
CMYK	cmyk(69.3%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(30.16, 17.15, -43.88)
CIE-LCH	lch(30.16, 47.11, 291.35°)
OKLab	oklab(40.42% -0.0055 -0.126)
OKLCH	oklch(40.42% 0.126 267.5)
XYZ	xyz(7.6765, 6.3027, 25.6179)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B428C #8C752B

analogous

#2B728C #2B428C #442B8C

triadic

#2B428C #8C2B42 #428C2B

tetradic

#2B428C #8C2B72 #8C752B #2B8C44

square

#2B428C #8C2B72 #8C752B #2B8C44

split-complementary

#2B428C #8C442B #728C2B

monochromatic

#0E162E #1D2C5D #2B428C #3958BB #627CCF

Accessibility & contrast

On white

9.29

#2B428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B428C

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B428C	#FFFFFF	#000000	##FFFFFF
##2B428C	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154C8F

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#005360

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b428c;
/* rgb */ color: rgb(43, 66, 140);
/* oklch */ color: oklch(40.4% 0.126 267.5);

Tailwind

colors: {
  custom: {
    50: '#7076ae',
    500: '#2b428c',
    950: '#000000',
  },
}

SCSS

$custom: #2b428c;
$custom-light: #7076ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b428c",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 225.773,
    "s": 53.005,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40422,
    "c": 0.1261,
    "h": 267.5
  },
  "luminance": 0.06303
}

Semantic roles & 50–950 ramp

primary

#2B428C

secondary

#B5A05E

accent

#BA4BDC

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2B428C

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

Preview Lab → · Contrast checker → · Palette generator →