#281E63#281E63

#281E63 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.5% C 0.116 H 283.2°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#281E63
RGB	rgb(40, 30, 99)
HSL	hsl(249, 53%, 25%)
HSV	hsv(249, 70%, 39%)
CMYK	cmyk(59.6%, 69.7%, 0%, 61.2%)
CIE-LAB	lab(16.89, 25.99, -39.32)
CIE-LCH	lch(16.89, 47.13, 303.46°)
OKLab	oklab(29.46% 0.0266 -0.113)
OKLCH	oklch(29.46% 0.116 283.2)
XYZ	xyz(3.5908, 2.2803, 12.0529)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E63 #59631E

analogous

#1E3663 #281E63 #4A1E63

triadic

#281E63 #63281E #1E6328

tetradic

#281E63 #631E36 #59631E #1E634A

square

#281E63 #631E36 #59631E #1E634A

split-complementary

#281E63 #634A1E #36631E

monochromatic

#090717 #151034 #281E63 #3B2C92 #4E3AC1

Accessibility & contrast

On white

14.42

#281E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#281E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E63

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E63	#FFFFFF	#000000	##FFFFFF
##281E63	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C65

Deuteranopia (green-blind)

#002762

Tritanopia (blue-blind)

#0B2F3D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #281e63;
/* rgb */ color: rgb(40, 30, 99);
/* oklch */ color: oklch(29.5% 0.116 283.2);

Tailwind

colors: {
  custom: {
    50: '#695a90',
    500: '#281e63',
    950: '#000000',
  },
}

SCSS

$custom: #281e63;
$custom-light: #695a90;
$custom-dark: #000000;

JSON

{
  "hex": "#281e63",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 99
  },
  "hsl": {
    "h": 248.696,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.2946,
    "c": 0.11611,
    "h": 283.2
  },
  "luminance": 0.02281
}

Semantic roles & 50–950 ramp

primary

#281E63

secondary

#8C9845

accent

#DD4BC8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#07040D

muted

#7A797D

Preview Lab

Preview with #281E63

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

Preview Lab → · Contrast checker → · Palette generator →