#284B7B#284B7B

#284B7B is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.091 H 256.8°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#284B7B
RGB	rgb(40, 75, 123)
HSL	hsl(215, 51%, 32%)
HSV	hsv(215, 67%, 48%)
CMYK	cmyk(67.5%, 39%, 0%, 51.8%)
CIE-LAB	lab(31.61, 4.03, -31.04)
CIE-LCH	lch(31.61, 31.30, 277.40°)
OKLab	oklab(41.14% -0.0207 -0.0882)
OKLCH	oklch(41.14% 0.091 256.8)
XYZ	xyz(6.9650, 6.9127, 19.7023)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B7B #7B5828

analogous

#28757B #284B7B #2F287B

triadic

#284B7B #7B284B #4B7B28

tetradic

#284B7B #7B2875 #7B5828 #287B2F

square

#284B7B #7B2875 #7B5828 #287B2F

split-complementary

#284B7B #7B2F28 #757B28

monochromatic

#0A131F #192F4D #284B7B #3767A9 #5686C8

Accessibility & contrast

On white

8.81

#284B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#284B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B7B

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B7B	#FFFFFF	#000000	##FFFFFF
##284B7B	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364F7D

Deuteranopia (green-blind)

#2A477A

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #284b7b;
/* rgb */ color: rgb(40, 75, 123);
/* oklch */ color: oklch(41.1% 0.091 256.8);

Tailwind

colors: {
  custom: {
    50: '#6b7ca1',
    500: '#284b7b',
    950: '#000000',
  },
}

SCSS

$custom: #284b7b;
$custom-light: #6b7ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#284b7b",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 123
  },
  "hsl": {
    "h": 214.699,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41137,
    "c": 0.09061,
    "h": 256.8
  },
  "luminance": 0.06913
}

Semantic roles & 50–950 ramp

primary

#284B7B

secondary

#AD8752

accent

#9F4DDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #284B7B

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

Preview Lab → · Contrast checker → · Palette generator →