#285FA3#285FA3

#285FA3 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.5% C 0.124 H 255.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#285FA3
RGB	rgb(40, 95, 163)
HSL	hsl(213, 61%, 40%)
HSV	hsv(213, 75%, 64%)
CMYK	cmyk(75.5%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(40.05, 6.26, -41.93)
CIE-LCH	lch(40.05, 42.40, 278.50°)
OKLab	oklab(48.47% -0.0312 -0.1198)
OKLCH	oklch(48.47% 0.124 255.4)
XYZ	xyz(11.5757, 11.2786, 36.2101)
Luminance	0.1128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285FA3 #A36C28

analogous

#289CA3 #285FA3 #2F28A3

triadic

#285FA3 #A3285F #5FA328

tetradic

#285FA3 #A3289C #A36C28 #28A32F

square

#285FA3 #A3289C #A36C28 #28A32F

split-complementary

#285FA3 #A32F28 #9CA328

monochromatic

#102641 #1C4272 #285FA3 #3A7CCF #6B9DDB

Accessibility & contrast

On white

6.45

#285FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#285FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285FA3

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285FA3	#FFFFFF	#000000	##FFFFFF
##285FA3	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E64A6

Deuteranopia (green-blind)

#2A59A2

Tritanopia (blue-blind)

#006F79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #285fa3;
/* rgb */ color: rgb(40, 95, 163);
/* oklch */ color: oklch(48.5% 0.124 255.4);

Tailwind

colors: {
  custom: {
    50: '#738bbf',
    500: '#285fa3',
    950: '#000000',
  },
}

SCSS

$custom: #285fa3;
$custom-light: #738bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#285fa3",
  "rgb": {
    "r": 40,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 213.171,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48465,
    "c": 0.12382,
    "h": 255.4
  },
  "luminance": 0.1128
}

Semantic roles & 50–950 ramp

primary

#285FA3

secondary

#C19866

accent

#9C44E4

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #285FA3

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

Preview Lab → · Contrast checker → · Palette generator →