#281E8F#281E8F

#281E8F is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.174 H 275.8°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#281E8F
RGB	rgb(40, 30, 143)
HSL	hsl(245, 65%, 34%)
HSV	hsv(245, 79%, 56%)
CMYK	cmyk(72%, 79%, 0%, 43.9%)
CIE-LAB	lab(21.44, 40.93, -60.00)
CIE-LCH	lch(21.44, 72.63, 304.30°)
OKLab	oklab(34.07% 0.0175 -0.1735)
OKLCH	oklch(34.07% 0.174 275.8)
XYZ	xyz(6.2956, 3.3622, 26.2985)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E8F #858F1E

analogous

#1E4D8F #281E8F #611E8F

triadic

#281E8F #8F281E #1E8F28

tetradic

#281E8F #8F1E4D #858F1E #1E8F61

square

#281E8F #8F1E4D #858F1E #1E8F61

split-complementary

#281E8F #8F611E #4D8F1E

monochromatic

#0C092A #1A135C #281E8F #3629C2 #5A4EDA

Accessibility & contrast

On white

12.56

#281E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#281E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E8F

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E8F	#FFFFFF	#000000	##FFFFFF
##281E8F	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #281e8f;
/* rgb */ color: rgb(40, 30, 143);
/* oklch */ color: oklch(34.1% 0.174 275.8);

Tailwind

colors: {
  custom: {
    50: '#735cb1',
    500: '#281e8f',
    950: '#000000',
  },
}

SCSS

$custom: #281e8f;
$custom-light: #735cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#281e8f",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 143
  },
  "hsl": {
    "h": 245.31,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34066,
    "c": 0.17435,
    "h": 275.8
  },
  "luminance": 0.03363
}

Semantic roles & 50–950 ramp

primary

#281E8F

secondary

#B3BC4C

accent

#E840D9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #281E8F

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

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