#281977#281977

#281977 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.149 H 280.3°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#281977
RGB	rgb(40, 25, 119)
HSL	hsl(250, 65%, 28%)
HSV	hsv(250, 79%, 47%)
CMYK	cmyk(66.4%, 79%, 0%, 53.3%)
CIE-LAB	lab(17.82, 35.80, -50.82)
CIE-LCH	lch(17.82, 62.16, 305.16°)
OKLab	oklab(30.73% 0.0266 -0.1467)
OKLCH	oklch(30.73% 0.149 280.3)
XYZ	xyz(4.5514, 2.4779, 17.6876)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281977 #687719

analogous

#193977 #281977 #571977

triadic

#281977 #772819 #197728

tetradic

#281977 #771939 #687719 #197757

square

#281977 #771939 #687719 #197757

split-complementary

#281977 #775719 #397719

monochromatic

#080519 #170E44 #281977 #3924AA #4F36D5

Accessibility & contrast

On white

14.04

#281977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#281977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281977

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281977	#FFFFFF	#000000	##FFFFFF
##281977	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7A

Deuteranopia (green-blind)

#002875

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #281977;
/* rgb */ color: rgb(40, 25, 119);
/* oklch */ color: oklch(30.7% 0.149 280.3);

Tailwind

colors: {
  custom: {
    50: '#6e589f',
    500: '#281977',
    950: '#000000',
  },
}

SCSS

$custom: #281977;
$custom-light: #6e589f;
$custom-dark: #000000;

JSON

{
  "hex": "#281977",
  "rgb": {
    "r": 40,
    "g": 25,
    "b": 119
  },
  "hsl": {
    "h": 249.574,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30733,
    "c": 0.14907,
    "h": 280.3
  },
  "luminance": 0.02478
}

Semantic roles & 50–950 ramp

primary

#281977

secondary

#9BAC40

accent

#E840CD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030F

muted

#7B787E

Preview Lab

Preview with #281977

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

Preview Lab → · Contrast checker → · Palette generator →