#284F84#284F84

#284F84 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.7% C 0.099 H 256.7°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#284F84
RGB	rgb(40, 79, 132)
HSL	hsl(215, 53%, 34%)
HSV	hsv(215, 70%, 52%)
CMYK	cmyk(69.7%, 40.2%, 0%, 48.2%)
CIE-LAB	lab(33.37, 4.81, -33.82)
CIE-LCH	lch(33.37, 34.16, 278.09°)
OKLab	oklab(42.68% -0.0228 -0.0963)
OKLCH	oklch(42.68% 0.099 256.7)
XYZ	xyz(7.8344, 7.7082, 22.9003)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F84 #845D28

analogous

#287D84 #284F84 #2F2884

triadic

#284F84 #84284F #4F8428

tetradic

#284F84 #84287D #845D28 #28842F

square

#284F84 #84287D #845D28 #28842F

split-complementary

#284F84 #842F28 #7D8428

monochromatic

#0C1726 #1A3355 #284F84 #366BB3 #5A8ACD

Accessibility & contrast

On white

8.26

#284F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#284F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F84

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F84	#FFFFFF	#000000	##FFFFFF
##284F84	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375386

Deuteranopia (green-blind)

#294B83

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284f84;
/* rgb */ color: rgb(40, 79, 132);
/* oklch */ color: oklch(42.7% 0.099 256.7);

Tailwind

colors: {
  custom: {
    50: '#6d7fa8',
    500: '#284f84',
    950: '#000000',
  },
}

SCSS

$custom: #284f84;
$custom-light: #6d7fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#284f84",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 132
  },
  "hsl": {
    "h": 214.565,
    "s": 53.488,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42677,
    "c": 0.09894,
    "h": 256.7
  },
  "luminance": 0.07709
}

Semantic roles & 50–950 ramp

primary

#284F84

secondary

#B28B56

accent

#9F4BDD

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #284F84

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

Preview Lab → · Contrast checker → · Palette generator →