#281E9E#281E9E

#281E9E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.193 H 274.1°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#281E9E
RGB	rgb(40, 30, 158)
HSL	hsl(245, 68%, 37%)
HSV	hsv(245, 81%, 62%)
CMYK	cmyk(74.7%, 81%, 0%, 38%)
CIE-LAB	lab(23.16, 45.75, -66.40)
CIE-LCH	lch(23.16, 80.63, 304.57°)
OKLab	oklab(35.77% 0.0137 -0.192)
OKLCH	oklch(35.77% 0.193 274.1)
XYZ	xyz(7.5089, 3.8475, 32.6880)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E9E #949E1E

analogous

#1E549E #281E9E #681E9E

triadic

#281E9E #9E281E #1E9E28

tetradic

#281E9E #9E1E54 #949E1E #1E9E68

square

#281E9E #9E1E54 #949E1E #1E9E68

split-complementary

#281E9E #9E681E #549E1E

monochromatic

#0E0A37 #1B146B #281E9E #3528D1 #6257DF

Accessibility & contrast

On white

11.87

#281E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#281E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E9E

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E9E	#FFFFFF	#000000	##FFFFFF
##281E9E	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #281e9e;
/* rgb */ color: rgb(40, 30, 158);
/* oklch */ color: oklch(35.8% 0.193 274.1);

Tailwind

colors: {
  custom: {
    50: '#765dbc',
    500: '#281e9e',
    950: '#000000',
  },
}

SCSS

$custom: #281e9e;
$custom-light: #765dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#281e9e",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 158
  },
  "hsl": {
    "h": 244.688,
    "s": 68.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35772,
    "c": 0.19254,
    "h": 274.1
  },
  "luminance": 0.03848
}

Semantic roles & 50–950 ramp

primary

#281E9E

secondary

#BAC355

accent

#EB3DDD

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #281E9E

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

Preview Lab → · Contrast checker → · Palette generator →