#281E77#281E77

#281E77 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.144 H 279.3°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#281E77
RGB	rgb(40, 30, 119)
HSL	hsl(247, 60%, 29%)
HSV	hsv(247, 75%, 47%)
CMYK	cmyk(66.4%, 74.8%, 0%, 53.3%)
CIE-LAB	lab(18.85, 32.90, -49.12)
CIE-LCH	lch(18.85, 59.12, 303.81°)
OKLab	oklab(31.46% 0.0231 -0.1418)
OKLCH	oklch(31.46% 0.144 279.3)
XYZ	xyz(4.6681, 2.7112, 17.7265)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E77 #6D771E

analogous

#1E4077 #281E77 #551E77

triadic

#281E77 #77281E #1E7728

tetradic

#281E77 #771E40 #6D771E #1E7755

square

#281E77 #771E40 #6D771E #1E7755

split-complementary

#281E77 #77551E #40771E

monochromatic

#080618 #181246 #281E77 #382AA8 #5040CF

Accessibility & contrast

On white

13.62

#281E77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#281E77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E77

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E77	#FFFFFF	#000000	##FFFFFF
##281E77	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317A

Deuteranopia (green-blind)

#002A75

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #281e77;
/* rgb */ color: rgb(40, 30, 119);
/* oklch */ color: oklch(31.5% 0.144 279.3);

Tailwind

colors: {
  custom: {
    50: '#6d5b9f',
    500: '#281e77',
    950: '#000000',
  },
}

SCSS

$custom: #281e77;
$custom-light: #6d5b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#281e77",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 119
  },
  "hsl": {
    "h": 246.742,
    "s": 59.732,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31461,
    "c": 0.14363,
    "h": 279.3
  },
  "luminance": 0.02712
}

Semantic roles & 50–950 ramp

primary

#281E77

secondary

#9FAB46

accent

#E345D1

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #281E77

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

Preview Lab → · Contrast checker → · Palette generator →