#285ABB#285ABB

#285ABB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.163 H 261.9°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#285ABB
RGB	rgb(40, 90, 187)
HSL	hsl(220, 65%, 45%)
HSV	hsv(220, 79%, 73%)
CMYK	cmyk(78.6%, 51.9%, 0%, 26.7%)
CIE-LAB	lab(40.16, 18.78, -55.89)
CIE-LCH	lch(40.16, 58.96, 288.57°)
OKLab	oklab(49.06% -0.023 -0.161)
OKLCH	oklch(49.06% 0.163 261.9)
XYZ	xyz(13.4976, 11.3497, 48.4834)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285ABB #BB8928

analogous

#28A4BB #285ABB #4028BB

triadic

#285ABB #BB285A #5ABB28

tetradic

#285ABB #BB28A4 #BB8928 #28BB40

square

#285ABB #BB28A4 #BB8928 #28BB40

split-complementary

#285ABB #BB4028 #A4BB28

monochromatic

#122956 #1D4289 #285ABB #4879D8 #7B9EE3

Accessibility & contrast

On white

6.42

#285ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#285ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285ABB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285ABB	#FFFFFF	#000000	##FFFFFF
##285ABB	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1866BE

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285abb;
/* rgb */ color: rgb(40, 90, 187);
/* oklch */ color: oklch(49.1% 0.163 261.9);

Tailwind

colors: {
  custom: {
    50: '#7988d0',
    500: '#285abb',
    950: '#000000',
  },
}

SCSS

$custom: #285abb;
$custom-light: #7988d0;
$custom-dark: #000000;

JSON

{
  "hex": "#285abb",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 219.592,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49056,
    "c": 0.1626,
    "h": 261.9
  },
  "luminance": 0.11351
}

Semantic roles & 50–950 ramp

primary

#285ABB

secondary

#CBAD74

accent

#AF40E8

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #285ABB

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

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