#28439F#28439F

#28439F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.0% C 0.153 H 267.1°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#28439F
RGB	rgb(40, 67, 159)
HSL	hsl(226, 60%, 39%)
HSV	hsv(226, 75%, 62%)
CMYK	cmyk(74.8%, 57.9%, 0%, 37.6%)
CIE-LAB	lab(31.73, 23.31, -52.93)
CIE-LCH	lch(31.73, 57.84, 293.77°)
OKLab	oklab(42.02% -0.0078 -0.1527)
OKLCH	oklch(42.02% 0.153 267.1)
XYZ	xyz(9.1381, 6.9676, 33.6575)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28439F #9F8428

analogous

#287F9F #28439F #49289F

triadic

#28439F #9F2843 #439F28

tetradic

#28439F #9F287F #9F8428 #289F49

square

#28439F #9F287F #9F8428 #289F49

split-complementary

#28439F #9F4928 #7F9F28

monochromatic

#0F1A3D #1C2E6E #28439F #3759CD #6882D9

Accessibility & contrast

On white

8.77

#28439F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#28439F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28439F

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28439F	#FFFFFF	#000000	##FFFFFF
##28439F	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00459D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #28439f;
/* rgb */ color: rgb(40, 67, 159);
/* oklch */ color: oklch(42.0% 0.153 267.1);

Tailwind

colors: {
  custom: {
    50: '#7376bc',
    500: '#28439f',
    950: '#000000',
  },
}

SCSS

$custom: #28439f;
$custom-light: #7376bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28439f",
  "rgb": {
    "r": 40,
    "g": 67,
    "b": 159
  },
  "hsl": {
    "h": 226.387,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4202,
    "c": 0.15286,
    "h": 267.1
  },
  "luminance": 0.06969
}

Semantic roles & 50–950 ramp

primary

#28439F

secondary

#BFAA64

accent

#BF45E3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #28439F

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

Preview Lab → · Contrast checker → · Palette generator →