#2D428F#2D428F

#2D428F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.130 H 268.6°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#2D428F
RGB	rgb(45, 66, 143)
HSL	hsl(227, 52%, 37%)
HSV	hsv(227, 69%, 56%)
CMYK	cmyk(68.5%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.49, 18.62, -45.19)
CIE-LCH	lch(30.49, 48.88, 292.39°)
OKLab	oklab(40.77% -0.0032 -0.1298)
OKLCH	oklch(40.77% 0.13 268.6)
XYZ	xyz(7.9866, 6.4367, 26.8028)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D428F #8F7A2D

analogous

#2D738F #2D428F #492D8F

triadic

#2D428F #8F2D42 #428F2D

tetradic

#2D428F #8F2D73 #8F7A2D #2D8F49

square

#2D428F #8F2D73 #8F7A2D #2D8F49

split-complementary

#2D428F #8F492D #738F2D

monochromatic

#101732 #1E2D60 #2D428F #3C57BE #677DCF

Accessibility & contrast

On white

9.18

#2D428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2D428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D428F

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D428F	#FFFFFF	#000000	##FFFFFF
##2D428F	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104C92

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d428f;
/* rgb */ color: rgb(45, 66, 143);
/* oklch */ color: oklch(40.8% 0.130 268.6);

Tailwind

colors: {
  custom: {
    50: '#7276b0',
    500: '#2d428f',
    950: '#000000',
  },
}

SCSS

$custom: #2d428f;
$custom-light: #7276b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d428f",
  "rgb": {
    "r": 45,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 227.143,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40766,
    "c": 0.12985,
    "h": 268.6
  },
  "luminance": 0.06437
}

Semantic roles & 50–950 ramp

primary

#2D428F

secondary

#B6A462

accent

#BD4CDC

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2D428F

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

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