#284F95#284F95

#284F95 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.8% C 0.123 H 261.0°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#284F95
RGB	rgb(40, 79, 149)
HSL	hsl(219, 58%, 37%)
HSV	hsv(219, 73%, 58%)
CMYK	cmyk(73.2%, 47%, 0%, 41.6%)
CIE-LAB	lab(34.42, 11.36, -42.53)
CIE-LCH	lch(34.42, 44.02, 284.95°)
OKLab	oklab(43.83% -0.0192 -0.1219)
OKLCH	oklch(43.83% 0.123 261)
XYZ	xyz(9.0939, 8.2120, 29.5338)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F95 #956E28

analogous

#288695 #284F95 #382895

triadic

#284F95 #95284F #4F9528

tetradic

#284F95 #952886 #956E28 #289538

square

#284F95 #952886 #956E28 #289538

split-complementary

#284F95 #953828 #869528

monochromatic

#0E1C35 #1B3565 #284F95 #3569C5 #628BD5

Accessibility & contrast

On white

7.95

#284F95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#284F95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F95

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F95	#FFFFFF	#000000	##FFFFFF
##284F95	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5698

Deuteranopia (green-blind)

#134C94

Tritanopia (blue-blind)

#005F6A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #284f95;
/* rgb */ color: rgb(40, 79, 149);
/* oklch */ color: oklch(43.8% 0.123 261.0);

Tailwind

colors: {
  custom: {
    50: '#717fb5',
    500: '#284f95',
    950: '#000000',
  },
}

SCSS

$custom: #284f95;
$custom-light: #717fb5;
$custom-dark: #000000;

JSON

{
  "hex": "#284f95",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 149
  },
  "hsl": {
    "h": 218.532,
    "s": 57.672,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43833,
    "c": 0.12336,
    "h": 261
  },
  "luminance": 0.08213
}

Semantic roles & 50–950 ramp

primary

#284F95

secondary

#BB9A5E

accent

#AA47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #284F95

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

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