#285D9B#285D9B

#285D9B is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.5% C 0.115 H 254.3°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#285D9B
RGB	rgb(40, 93, 155)
HSL	hsl(212, 59%, 38%)
HSV	hsv(212, 74%, 61%)
CMYK	cmyk(74.2%, 40%, 0%, 39.2%)
CIE-LAB	lab(38.98, 4.49, -38.87)
CIE-LCH	lch(38.98, 39.12, 276.58°)
OKLab	oklab(47.48% -0.0312 -0.1108)
OKLCH	oklch(47.48% 0.115 254.3)
XYZ	xyz(10.7036, 10.6452, 32.4946)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285D9B #9B6628

analogous

#28969B #285D9B #2D289B

triadic

#285D9B #9B285D #5D9B28

tetradic

#285D9B #9B2896 #9B6628 #289B2D

square

#285D9B #9B2896 #9B6628 #289B2D

split-complementary

#285D9B #9B2D28 #969B28

monochromatic

#0F233A #1B406A #285D9B #357ACB #669AD7

Accessibility & contrast

On white

6.71

#285D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#285D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285D9B

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285D9B	#FFFFFF	#000000	##FFFFFF
##285D9B	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40629D

Deuteranopia (green-blind)

#2E579A

Tritanopia (blue-blind)

#006C74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #285d9b;
/* rgb */ color: rgb(40, 93, 155);
/* oklch */ color: oklch(47.5% 0.115 254.3);

Tailwind

colors: {
  custom: {
    50: '#728ab9',
    500: '#285d9b',
    950: '#000000',
  },
}

SCSS

$custom: #285d9b;
$custom-light: #728ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#285d9b",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 155
  },
  "hsl": {
    "h": 212.348,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.4748,
    "c": 0.11517,
    "h": 254.3
  },
  "luminance": 0.10646
}

Semantic roles & 50–950 ramp

primary

#285D9B

secondary

#BD9361

accent

#9A46E2

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #285D9B

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

Preview Lab → · Contrast checker → · Palette generator →