#281E9C#281E9C

#281E9C is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.190 H 274.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#281E9C
RGB	rgb(40, 30, 156)
HSL	hsl(245, 68%, 36%)
HSV	hsv(245, 81%, 61%)
CMYK	cmyk(74.4%, 80.8%, 0%, 38.8%)
CIE-LAB	lab(22.93, 45.11, -65.56)
CIE-LCH	lch(22.93, 79.58, 304.53°)
OKLab	oklab(35.54% 0.0143 -0.1896)
OKLCH	oklch(35.54% 0.19 274.3)
XYZ	xyz(7.3381, 3.7792, 31.7888)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E9C #929C1E

analogous

#1E539C #281E9C #671E9C

triadic

#281E9C #9C281E #1E9C28

tetradic

#281E9C #9C1E53 #929C1E #1E9C67

square

#281E9C #9C1E53 #929C1E #1E9C67

split-complementary

#281E9C #9C671E #539C1E

monochromatic

#0E0A35 #1B1469 #281E9C #3528CF #6156DE

Accessibility & contrast

On white

11.96

#281E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#281E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E9C

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E9C	#FFFFFF	#000000	##FFFFFF
##281E9C	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9F

Deuteranopia (green-blind)

#00319A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #281e9c;
/* rgb */ color: rgb(40, 30, 156);
/* oklch */ color: oklch(35.5% 0.190 274.3);

Tailwind

colors: {
  custom: {
    50: '#765dbb',
    500: '#281e9c',
    950: '#000000',
  },
}

SCSS

$custom: #281e9c;
$custom-light: #765dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#281e9c",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 156
  },
  "hsl": {
    "h": 244.762,
    "s": 67.742,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35542,
    "c": 0.19015,
    "h": 274.3
  },
  "luminance": 0.0378
}

Semantic roles & 50–950 ramp

primary

#281E9C

secondary

#B9C254

accent

#EB3DDD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #281E9C

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

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