#281E8E#281E8E

#281E8E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 34.0% C 0.173 H 275.9°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#281E8E
RGB	rgb(40, 30, 142)
HSL	hsl(245, 65%, 34%)
HSV	hsv(245, 79%, 56%)
CMYK	cmyk(71.8%, 78.9%, 0%, 44.3%)
CIE-LAB	lab(21.33, 40.60, -59.56)
CIE-LCH	lch(21.33, 72.08, 304.28°)
OKLab	oklab(33.95% 0.0178 -0.1722)
OKLCH	oklch(33.95% 0.173 275.9)
XYZ	xyz(6.2202, 3.3321, 25.9013)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E8E #848E1E

analogous

#1E4C8E #281E8E #601E8E

triadic

#281E8E #8E281E #1E8E28

tetradic

#281E8E #8E1E4C #848E1E #1E8E60

square

#281E8E #8E1E4C #848E1E #1E8E60

split-complementary

#281E8E #8E601E #4C8E1E

monochromatic

#0C0929 #1A135B #281E8E #3629C1 #5A4DD9

Accessibility & contrast

On white

12.60

#281E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#281E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E8E

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E8E	#FFFFFF	#000000	##FFFFFF
##281E8E	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002E8C

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281e8e;
/* rgb */ color: rgb(40, 30, 142);
/* oklch */ color: oklch(34.0% 0.173 275.9);

Tailwind

colors: {
  custom: {
    50: '#735cb0',
    500: '#281e8e',
    950: '#000000',
  },
}

SCSS

$custom: #281e8e;
$custom-light: #735cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#281e8e",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 142
  },
  "hsl": {
    "h": 245.357,
    "s": 65.116,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33954,
    "c": 0.17312,
    "h": 275.9
  },
  "luminance": 0.03333
}

Semantic roles & 50–950 ramp

primary

#281E8E

secondary

#B2BC4C

accent

#E840D9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #281E8E

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

Preview Lab → · Contrast checker → · Palette generator →