#281E9D#281E9D

#281E9D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.191 H 274.2°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#281E9D
RGB	rgb(40, 30, 157)
HSL	hsl(245, 68%, 37%)
HSV	hsv(245, 81%, 62%)
CMYK	cmyk(74.5%, 80.9%, 0%, 38.4%)
CIE-LAB	lab(23.04, 45.43, -65.98)
CIE-LCH	lch(23.04, 80.11, 304.55°)
OKLab	oklab(35.66% 0.014 -0.1908)
OKLCH	oklch(35.66% 0.191 274.2)
XYZ	xyz(7.4231, 3.8132, 32.2366)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E9D #939D1E

analogous

#1E549D #281E9D #681E9D

triadic

#281E9D #9D281E #1E9D28

tetradic

#281E9D #9D1E54 #939D1E #1E9D68

square

#281E9D #9D1E54 #939D1E #1E9D68

split-complementary

#281E9D #9D681E #549D1E

monochromatic

#0E0A36 #1B146A #281E9D #3528D0 #6157DF

Accessibility & contrast

On white

11.91

#281E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#281E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E9D

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E9D	#FFFFFF	#000000	##FFFFFF
##281E9D	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA1

Deuteranopia (green-blind)

#00319B

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #281e9d;
/* rgb */ color: rgb(40, 30, 157);
/* oklch */ color: oklch(35.7% 0.191 274.2);

Tailwind

colors: {
  custom: {
    50: '#765dbb',
    500: '#281e9d',
    950: '#000000',
  },
}

SCSS

$custom: #281e9d;
$custom-light: #765dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#281e9d",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 157
  },
  "hsl": {
    "h": 244.724,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35657,
    "c": 0.19135,
    "h": 274.2
  },
  "luminance": 0.03814
}

Semantic roles & 50–950 ramp

primary

#281E9D

secondary

#BAC254

accent

#EB3DDD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #281E9D

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

Preview Lab → · Contrast checker → · Palette generator →