#281E70#281E70

#281E70 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.134 H 280.5°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#281E70
RGB	rgb(40, 30, 112)
HSL	hsl(247, 58%, 28%)
HSV	hsv(247, 73%, 44%)
CMYK	cmyk(64.3%, 73.2%, 0%, 56.1%)
CIE-LAB	lab(18.14, 30.50, -45.78)
CIE-LCH	lch(18.14, 55.01, 303.67°)
OKLab	oklab(30.74% 0.0245 -0.132)
OKLCH	oklch(30.74% 0.134 280.5)
XYZ	xyz(4.2631, 2.5492, 15.5935)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E70 #66701E

analogous

#1E3D70 #281E70 #511E70

triadic

#281E70 #70281E #1E7028

tetradic

#281E70 #701E3D #66701E #1E7051

square

#281E70 #701E3D #66701E #1E7051

split-complementary

#281E70 #70511E #3D701E

monochromatic

#090618 #171140 #281E70 #392BA0 #4F3DCB

Accessibility & contrast

On white

13.91

#281E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#281E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E70

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E70	#FFFFFF	#000000	##FFFFFF
##281E70	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F72

Deuteranopia (green-blind)

#00296E

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #281e70;
/* rgb */ color: rgb(40, 30, 112);
/* oklch */ color: oklch(30.7% 0.134 280.5);

Tailwind

colors: {
  custom: {
    50: '#6c5b9a',
    500: '#281e70',
    950: '#000000',
  },
}

SCSS

$custom: #281e70;
$custom-light: #6c5b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#281e70",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 112
  },
  "hsl": {
    "h": 247.317,
    "s": 57.746,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3074,
    "c": 0.13422,
    "h": 280.5
  },
  "luminance": 0.0255
}

Semantic roles & 50–950 ramp

primary

#281E70

secondary

#99A446

accent

#E147CE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #281E70

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

Preview Lab → · Contrast checker → · Palette generator →