#285D9F#285D9F

#285D9F is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.121 H 255.5°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#285D9F
RGB	rgb(40, 93, 159)
HSL	hsl(213, 60%, 39%)
HSV	hsv(213, 75%, 62%)
CMYK	cmyk(74.8%, 41.5%, 0%, 37.6%)
CIE-LAB	lab(39.21, 6.02, -40.88)
CIE-LCH	lch(39.21, 41.33, 278.37°)
OKLab	oklab(47.74% -0.0303 -0.1168)
OKLCH	oklch(47.74% 0.121 255.5)
XYZ	xyz(11.0451, 10.7818, 34.2931)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285D9F #9F6A28

analogous

#28999F #285D9F #2E289F

triadic

#285D9F #9F285D #5D9F28

tetradic

#285D9F #9F2899 #9F6A28 #289F2E

square

#285D9F #9F2899 #9F6A28 #289F2E

split-complementary

#285D9F #9F2E28 #999F28

monochromatic

#0F243D #1C406E #285D9F #377ACD #689BD9

Accessibility & contrast

On white

6.65

#285D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#285D9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285D9F

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285D9F	#FFFFFF	#000000	##FFFFFF
##285D9F	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E62A2

Deuteranopia (green-blind)

#2A579E

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #285d9f;
/* rgb */ color: rgb(40, 93, 159);
/* oklch */ color: oklch(47.7% 0.121 255.5);

Tailwind

colors: {
  custom: {
    50: '#728abc',
    500: '#285d9f',
    950: '#000000',
  },
}

SCSS

$custom: #285d9f;
$custom-light: #728abc;
$custom-dark: #000000;

JSON

{
  "hex": "#285d9f",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 159
  },
  "hsl": {
    "h": 213.277,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47739,
    "c": 0.12063,
    "h": 255.5
  },
  "luminance": 0.10783
}

Semantic roles & 50–950 ramp

primary

#285D9F

secondary

#BF9664

accent

#9D45E3

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285D9F

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

Preview Lab → · Contrast checker → · Palette generator →