#284E7C#284E7C

#284E7C is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.089 H 254.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#284E7C
RGB	rgb(40, 78, 124)
HSL	hsl(213, 51%, 32%)
HSV	hsv(213, 68%, 49%)
CMYK	cmyk(67.7%, 37.1%, 0%, 51.4%)
CIE-LAB	lab(32.60, 2.43, -30.09)
CIE-LCH	lch(32.60, 30.19, 274.62°)
OKLab	oklab(41.93% -0.0238 -0.0854)
OKLCH	oklch(41.93% 0.089 254.4)
XYZ	xyz(7.2362, 7.3544, 20.1031)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E7C #7C5628

analogous

#28787C #284E7C #2C287C

triadic

#284E7C #7C284E #4E7C28

tetradic

#284E7C #7C2878 #7C5628 #287C2C

square

#284E7C #7C2878 #7C5628 #287C2C

split-complementary

#284E7C #7C2C28 #787C28

monochromatic

#0A141F #19314E #284E7C #376BAA #568AC8

Accessibility & contrast

On white

8.50

#284E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#284E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E7C

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E7C	#FFFFFF	#000000	##FFFFFF
##284E7C	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A517E

Deuteranopia (green-blind)

#2E497B

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284e7c;
/* rgb */ color: rgb(40, 78, 124);
/* oklch */ color: oklch(41.9% 0.089 254.4);

Tailwind

colors: {
  custom: {
    50: '#6b7fa2',
    500: '#284e7c',
    950: '#000000',
  },
}

SCSS

$custom: #284e7c;
$custom-light: #6b7fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#284e7c",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 124
  },
  "hsl": {
    "h": 212.857,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4193,
    "c": 0.08864,
    "h": 254.4
  },
  "luminance": 0.07355
}

Semantic roles & 50–950 ramp

primary

#284E7C

secondary

#AD8452

accent

#9B4DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #284E7C

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

Preview Lab → · Contrast checker → · Palette generator →