#281E6F#281E6F

#281E6F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.133 H 280.7°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#281E6F
RGB	rgb(40, 30, 111)
HSL	hsl(247, 57%, 28%)
HSV	hsv(247, 73%, 44%)
CMYK	cmyk(64%, 73%, 0%, 56.5%)
CIE-LAB	lab(18.04, 30.15, -45.29)
CIE-LCH	lch(18.04, 54.41, 303.65°)
OKLab	oklab(30.64% 0.0247 -0.1305)
OKLCH	oklch(30.64% 0.133 280.7)
XYZ	xyz(4.2077, 2.5271, 15.3019)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E6F #656F1E

analogous

#1E3D6F #281E6F #501E6F

triadic

#281E6F #6F281E #1E6F28

tetradic

#281E6F #6F1E3D #656F1E #1E6F50

square

#281E6F #6F1E3D #656F1E #1E6F50

split-complementary

#281E6F #6F501E #3D6F1E

monochromatic

#090718 #17113F #281E6F #392B9F #4E3DCB

Accessibility & contrast

On white

13.95

#281E6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#281E6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E6F

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E6F	#FFFFFF	#000000	##FFFFFF
##281E6F	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F71

Deuteranopia (green-blind)

#00296D

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #281e6f;
/* rgb */ color: rgb(40, 30, 111);
/* oklch */ color: oklch(30.6% 0.133 280.7);

Tailwind

colors: {
  custom: {
    50: '#6c5b99',
    500: '#281e6f',
    950: '#000000',
  },
}

SCSS

$custom: #281e6f;
$custom-light: #6c5b99;
$custom-dark: #000000;

JSON

{
  "hex": "#281e6f",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 111
  },
  "hsl": {
    "h": 247.407,
    "s": 57.447,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30639,
    "c": 0.13285,
    "h": 280.7
  },
  "luminance": 0.02527
}

Semantic roles & 50–950 ramp

primary

#281E6F

secondary

#98A346

accent

#E147CE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #281E6F

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

Preview Lab → · Contrast checker → · Palette generator →