#284263#284263

#284263 is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.4% C 0.065 H 255.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#284263
RGB	rgb(40, 66, 99)
HSL	hsl(214, 42%, 27%)
HSV	hsv(214, 60%, 39%)
CMYK	cmyk(59.6%, 33.3%, 0%, 61.2%)
CIE-LAB	lab(27.43, 1.08, -22.45)
CIE-LCH	lch(27.43, 22.47, 272.75°)
OKLab	oklab(37.44% -0.0169 -0.0632)
OKLCH	oklch(37.44% 0.065 255)
XYZ	xyz(5.0746, 5.2480, 12.5475)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284263 #634928

analogous

#286063 #284263 #2B2863

triadic

#284263 #632842 #426328

tetradic

#284263 #632860 #634928 #28632B

square

#284263 #632860 #634928 #28632B

split-complementary

#284263 #632B28 #606328

monochromatic

#090F16 #162537 #284263 #3A5F8F #4E7CB7

Accessibility & contrast

On white

10.25

#284263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#284263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284263

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284263	#FFFFFF	#000000	##FFFFFF
##284263	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354464

Deuteranopia (green-blind)

#2D3E62

Tritanopia (blue-blind)

#01494E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #284263;
/* rgb */ color: rgb(40, 66, 99);
/* oklch */ color: oklch(37.4% 0.065 255.0);

Tailwind

colors: {
  custom: {
    50: '#67768f',
    500: '#284263',
    950: '#000000',
  },
}

SCSS

$custom: #284263;
$custom-light: #67768f;
$custom-dark: #000000;

JSON

{
  "hex": "#284263",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 99
  },
  "hsl": {
    "h": 213.559,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37443,
    "c": 0.06546,
    "h": 255
  },
  "luminance": 0.05248
}

Semantic roles & 50–950 ramp

primary

#284263

secondary

#967751

accent

#9B56D2

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #284263

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

Preview Lab → · Contrast checker → · Palette generator →