#284F7C#284F7C

#284F7C is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.2% C 0.088 H 253.4°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#284F7C
RGB	rgb(40, 79, 124)
HSL	hsl(212, 51%, 32%)
HSV	hsv(212, 68%, 49%)
CMYK	cmyk(67.7%, 36.3%, 0%, 51.4%)
CIE-LAB	lab(32.91, 1.78, -29.60)
CIE-LCH	lch(32.91, 29.65, 273.43°)
OKLab	oklab(42.18% -0.0249 -0.0839)
OKLCH	oklch(42.18% 0.088 253.4)
XYZ	xyz(7.3078, 7.4976, 20.1269)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F7C #7C5528

analogous

#28797C #284F7C #2B287C

triadic

#284F7C #7C284F #4F7C28

tetradic

#284F7C #7C2879 #7C5528 #287C2B

square

#284F7C #7C2879 #7C5528 #287C2B

split-complementary

#284F7C #7C2B28 #797C28

monochromatic

#0A141F #19324E #284F7C #376CAA #568BC8

Accessibility & contrast

On white

8.40

#284F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#284F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F7C

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F7C	#FFFFFF	#000000	##FFFFFF
##284F7C	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B527E

Deuteranopia (green-blind)

#304A7B

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284f7c;
/* rgb */ color: rgb(40, 79, 124);
/* oklch */ color: oklch(42.2% 0.088 253.4);

Tailwind

colors: {
  custom: {
    50: '#6b80a2',
    500: '#284f7c',
    950: '#000000',
  },
}

SCSS

$custom: #284f7c;
$custom-light: #6b80a2;
$custom-dark: #000000;

JSON

{
  "hex": "#284f7c",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 124
  },
  "hsl": {
    "h": 212.143,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42175,
    "c": 0.08755,
    "h": 253.4
  },
  "luminance": 0.07498
}

Semantic roles & 50–950 ramp

primary

#284F7C

secondary

#AD8352

accent

#994DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #284F7C

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

Preview Lab → · Contrast checker → · Palette generator →