#284877#284877

#284877 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.2% C 0.088 H 257.9°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#284877
RGB	rgb(40, 72, 119)
HSL	hsl(216, 50%, 31%)
HSV	hsv(216, 66%, 47%)
CMYK	cmyk(66.4%, 39.5%, 0%, 53.3%)
CIE-LAB	lab(30.44, 4.51, -30.39)
CIE-LCH	lch(30.44, 30.72, 278.44°)
OKLab	oklab(40.16% -0.0184 -0.0863)
OKLCH	oklch(40.16% 0.088 257.9)
XYZ	xyz(6.5210, 6.4171, 18.3442)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284877 #775728

analogous

#286F77 #284877 #2F2877

triadic

#284877 #772848 #487728

tetradic

#284877 #77286F #775728 #28772F

square

#284877 #77286F #775728 #28772F

split-complementary

#284877 #772F28 #6F7728

monochromatic

#09111B #192C49 #284877 #3764A5 #5482C5

Accessibility & contrast

On white

9.20

#284877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#284877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284877

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284877	#FFFFFF	#000000	##FFFFFF
##284877	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334C79

Deuteranopia (green-blind)

#284476

Tritanopia (blue-blind)

#005359

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284877;
/* rgb */ color: rgb(40, 72, 119);
/* oklch */ color: oklch(40.2% 0.088 257.9);

Tailwind

colors: {
  custom: {
    50: '#6a7a9e',
    500: '#284877',
    950: '#000000',
  },
}

SCSS

$custom: #284877;
$custom-light: #6a7a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#284877",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 119
  },
  "hsl": {
    "h": 215.696,
    "s": 49.686,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40155,
    "c": 0.08828,
    "h": 257.9
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#284877

secondary

#A98652

accent

#A14FD9

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #284877

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

Preview Lab → · Contrast checker → · Palette generator →