#285E9B#285E9B

#285E9B is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.114 H 253.6°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#285E9B
RGB	rgb(40, 94, 155)
HSL	hsl(212, 59%, 38%)
HSV	hsv(212, 74%, 61%)
CMYK	cmyk(74.2%, 39.4%, 0%, 39.2%)
CIE-LAB	lab(39.28, 3.85, -38.39)
CIE-LCH	lch(39.28, 38.58, 275.72°)
OKLab	oklab(47.72% -0.0322 -0.1094)
OKLCH	oklch(47.72% 0.114 253.6)
XYZ	xyz(10.7920, 10.8219, 32.5241)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285E9B #9B6528

analogous

#28979B #285E9B #2B289B

triadic

#285E9B #9B285E #5E9B28

tetradic

#285E9B #9B2897 #9B6528 #289B2B

square

#285E9B #9B2897 #9B6528 #289B2B

split-complementary

#285E9B #9B2B28 #979B28

monochromatic

#0F233A #1B406A #285E9B #357CCB #669BD7

Accessibility & contrast

On white

6.64

#285E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#285E9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285E9B

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285E9B	#FFFFFF	#000000	##FFFFFF
##285E9B	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42629D

Deuteranopia (green-blind)

#30589A

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #285e9b;
/* rgb */ color: rgb(40, 94, 155);
/* oklch */ color: oklch(47.7% 0.114 253.6);

Tailwind

colors: {
  custom: {
    50: '#728bb9',
    500: '#285e9b',
    950: '#000000',
  },
}

SCSS

$custom: #285e9b;
$custom-light: #728bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#285e9b",
  "rgb": {
    "r": 40,
    "g": 94,
    "b": 155
  },
  "hsl": {
    "h": 211.826,
    "s": 58.974,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47716,
    "c": 0.11406,
    "h": 253.6
  },
  "luminance": 0.10823
}

Semantic roles & 50–950 ramp

primary

#285E9B

secondary

#BD9261

accent

#9946E2

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #285E9B

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

Preview Lab → · Contrast checker → · Palette generator →