#28509F#28509F

#28509F is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.8% C 0.136 H 262.2°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#28509F
RGB	rgb(40, 80, 159)
HSL	hsl(220, 60%, 39%)
HSV	hsv(220, 75%, 62%)
CMYK	cmyk(74.8%, 49.7%, 0%, 37.6%)
CIE-LAB	lab(35.38, 14.57, -47.02)
CIE-LCH	lch(35.38, 49.23, 287.21°)
OKLab	oklab(44.78% -0.0185 -0.1351)
OKLCH	oklch(44.78% 0.136 262.2)
XYZ	xyz(9.9995, 8.6905, 33.9446)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28509F #9F7728

analogous

#288C9F #28509F #3C289F

triadic

#28509F #9F2850 #509F28

tetradic

#28509F #9F288C #9F7728 #289F3C

square

#28509F #9F288C #9F7728 #289F3C

split-complementary

#28509F #9F3C28 #8C9F28

monochromatic

#0F1F3D #1C376E #28509F #376ACD #688ED9

Accessibility & contrast

On white

7.67

#28509F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#28509F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28509F

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28509F	#FFFFFF	#000000	##FFFFFF
##28509F	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2359A2

Deuteranopia (green-blind)

#004E9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #28509f;
/* rgb */ color: rgb(40, 80, 159);
/* oklch */ color: oklch(44.8% 0.136 262.2);

Tailwind

colors: {
  custom: {
    50: '#7380bc',
    500: '#28509f',
    950: '#000000',
  },
}

SCSS

$custom: #28509f;
$custom-light: #7380bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28509f",
  "rgb": {
    "r": 40,
    "g": 80,
    "b": 159
  },
  "hsl": {
    "h": 219.832,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.44784,
    "c": 0.13632,
    "h": 262.2
  },
  "luminance": 0.08692
}

Semantic roles & 50–950 ramp

primary

#28509F

secondary

#BFA064

accent

#AE45E3

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #28509F

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

Preview Lab → · Contrast checker → · Palette generator →