#28459B#28459B

#28459B is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.1% C 0.145 H 266.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#28459B
RGB	rgb(40, 69, 155)
HSL	hsl(225, 59%, 38%)
HSV	hsv(225, 74%, 61%)
CMYK	cmyk(74.2%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(31.97, 20.42, -50.12)
CIE-LCH	lch(31.97, 54.12, 292.17°)
OKLab	oklab(42.1% -0.0097 -0.1444)
OKLCH	oklch(42.1% 0.145 266.2)
XYZ	xyz(8.9175, 7.0730, 31.8992)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28459B #9B7E28

analogous

#287E9B #28459B #45289B

triadic

#28459B #9B2845 #459B28

tetradic

#28459B #9B287E #9B7E28 #289B45

square

#28459B #9B287E #9B7E28 #289B45

split-complementary

#28459B #9B4528 #7E9B28

monochromatic

#0F1A3A #1B2F6A #28459B #355BCB #6683D7

Accessibility & contrast

On white

8.70

#28459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#28459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28459B

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28459B	#FFFFFF	#000000	##FFFFFF
##28459B	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #28459b;
/* rgb */ color: rgb(40, 69, 155);
/* oklch */ color: oklch(42.1% 0.145 266.2);

Tailwind

colors: {
  custom: {
    50: '#7278b9',
    500: '#28459b',
    950: '#000000',
  },
}

SCSS

$custom: #28459b;
$custom-light: #7278b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28459b",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 224.87,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42102,
    "c": 0.14469,
    "h": 266.2
  },
  "luminance": 0.07074
}

Semantic roles & 50–950 ramp

primary

#28459B

secondary

#BDA661

accent

#BB46E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #28459B

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

Preview Lab → · Contrast checker → · Palette generator →