#281F94#281F94

#281F94 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.180 H 275.1°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#281F94
RGB	rgb(40, 31, 148)
HSL	hsl(245, 65%, 35%)
HSV	hsv(245, 79%, 58%)
CMYK	cmyk(73%, 79.1%, 0%, 42%)
CIE-LAB	lab(22.19, 42.02, -61.86)
CIE-LCH	lch(22.19, 74.78, 304.19°)
OKLab	oklab(34.76% 0.0158 -0.1789)
OKLCH	oklch(34.76% 0.18 275.1)
XYZ	xyz(6.7086, 3.5686, 28.3465)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F94 #8B941F

analogous

#1F5194 #281F94 #621F94

triadic

#281F94 #94281F #1F9428

tetradic

#281F94 #941F51 #8B941F #1F9462

square

#281F94 #941F51 #8B941F #1F9462

split-complementary

#281F94 #94621F #51941F

monochromatic

#0D0A2F #1A1461 #281F94 #362AC7 #5D53DB

Accessibility & contrast

On white

12.25

#281F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#281F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F94

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F94	#FFFFFF	#000000	##FFFFFF
##281F94	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A97

Deuteranopia (green-blind)

#003092

Tritanopia (blue-blind)

#004259

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #281f94;
/* rgb */ color: rgb(40, 31, 148);
/* oklch */ color: oklch(34.8% 0.180 275.1);

Tailwind

colors: {
  custom: {
    50: '#745db5',
    500: '#281f94',
    950: '#000000',
  },
}

SCSS

$custom: #281f94;
$custom-light: #745db5;
$custom-dark: #000000;

JSON

{
  "hex": "#281f94",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 148
  },
  "hsl": {
    "h": 244.615,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34758,
    "c": 0.17958,
    "h": 275.1
  },
  "luminance": 0.03569
}

Semantic roles & 50–950 ramp

primary

#281F94

secondary

#B6BE51

accent

#E83FDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #281F94

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

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