#281E75#281E75

#281E75 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.141 H 279.6°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#281E75
RGB	rgb(40, 30, 117)
HSL	hsl(247, 59%, 29%)
HSV	hsv(247, 74%, 46%)
CMYK	cmyk(65.8%, 74.4%, 0%, 54.1%)
CIE-LAB	lab(18.64, 32.21, -48.18)
CIE-LCH	lch(18.64, 57.95, 303.77°)
OKLab	oklab(31.25% 0.0235 -0.139)
OKLCH	oklch(31.25% 0.141 279.6)
XYZ	xyz(4.5492, 2.6637, 17.1006)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E75 #6B751E

analogous

#1E4075 #281E75 #541E75

triadic

#281E75 #75281E #1E7528

tetradic

#281E75 #751E40 #6B751E #1E7554

square

#281E75 #751E40 #6B751E #1E7554

split-complementary

#281E75 #75541E #40751E

monochromatic

#080618 #171244 #281E75 #392AA6 #5040CE

Accessibility & contrast

On white

13.70

#281E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#281E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E75

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E75	#FFFFFF	#000000	##FFFFFF
##281E75	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003178

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #281e75;
/* rgb */ color: rgb(40, 30, 117);
/* oklch */ color: oklch(31.3% 0.141 279.6);

Tailwind

colors: {
  custom: {
    50: '#6d5b9e',
    500: '#281e75',
    950: '#000000',
  },
}

SCSS

$custom: #281e75;
$custom-light: #6d5b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#281e75",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 117
  },
  "hsl": {
    "h": 246.897,
    "s": 59.184,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31253,
    "c": 0.14097,
    "h": 279.6
  },
  "luminance": 0.02664
}

Semantic roles & 50–950 ramp

primary

#281E75

secondary

#9DA946

accent

#E245D0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #281E75

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

Preview Lab → · Contrast checker → · Palette generator →