#28488C#28488C

#28488C is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.6% C 0.119 H 263.2°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#28488C
RGB	rgb(40, 72, 140)
HSL	hsl(221, 56%, 35%)
HSV	hsv(221, 71%, 55%)
CMYK	cmyk(71.4%, 48.6%, 0%, 45.1%)
CIE-LAB	lab(31.76, 12.58, -41.32)
CIE-LCH	lch(31.76, 43.19, 286.93°)
OKLab	oklab(41.6% -0.0141 -0.1184)
OKLCH	oklch(41.6% 0.119 263.2)
XYZ	xyz(7.9244, 6.9785, 25.7352)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28488C #8C6C28

analogous

#287A8C #28488C #3A288C

triadic

#28488C #8C2848 #488C28

tetradic

#28488C #8C287A #8C6C28 #288C3A

square

#28488C #8C287A #8C6C28 #288C3A

split-complementary

#28488C #8C3A28 #7A8C28

monochromatic

#0D172D #1A305C #28488C #3660BC #5E82D1

Accessibility & contrast

On white

8.77

#28488C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#28488C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28488C

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28488C	#FFFFFF	#000000	##FFFFFF
##28488C	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24508F

Deuteranopia (green-blind)

#0C468B

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #28488c;
/* rgb */ color: rgb(40, 72, 140);
/* oklch */ color: oklch(41.6% 0.119 263.2);

Tailwind

colors: {
  custom: {
    50: '#6f7aae',
    500: '#28488c',
    950: '#000000',
  },
}

SCSS

$custom: #28488c;
$custom-light: #6f7aae;
$custom-dark: #000000;

JSON

{
  "hex": "#28488c",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 140
  },
  "hsl": {
    "h": 220.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41597,
    "c": 0.11924,
    "h": 263.2
  },
  "luminance": 0.06979
}

Semantic roles & 50–950 ramp

primary

#28488C

secondary

#B6995A

accent

#AF49DF

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #28488C

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

Preview Lab → · Contrast checker → · Palette generator →