#285BDA#285BDA

#285BDA is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 51.7% C 0.202 H 264.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#285BDA
RGB	rgb(40, 91, 218)
HSL	hsl(223, 71%, 51%)
HSV	hsv(223, 82%, 85%)
CMYK	cmyk(81.7%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(42.75, 29.93, -69.58)
CIE-LCH	lch(42.75, 75.75, 293.28°)
OKLab	oklab(51.74% -0.0212 -0.2012)
OKLCH	oklch(51.74% 0.202 264)
XYZ	xyz(17.2665, 12.9931, 67.9140)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285BDA #DAA728

analogous

#28B4DA #285BDA #4E28DA

triadic

#285BDA #DA285B #5BDA28

tetradic

#285BDA #DA28B4 #DAA728 #28DA4E

square

#285BDA #DA28B4 #DAA728 #28DA4E

split-complementary

#285BDA #DA4E28 #B4DA28

monochromatic

#142F74 #1D45A8 #285BDA #5C83E3 #90ABEC

Accessibility & contrast

On white

5.83

#285BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#285BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285BDA

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285BDA	#FFFFFF	#000000	##FFFFFF
##285BDA	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#005DD8

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #285bda;
/* rgb */ color: rgb(40, 91, 218);
/* oklch */ color: oklch(51.7% 0.202 264.0);

Tailwind

colors: {
  custom: {
    50: '#8088e6',
    500: '#285bda',
    950: '#000000',
  },
}

SCSS

$custom: #285bda;
$custom-light: #8088e6;
$custom-dark: #000000;

JSON

{
  "hex": "#285bda",
  "rgb": {
    "r": 40,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 222.809,
    "s": 70.635,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51742,
    "c": 0.20231,
    "h": 264
  },
  "luminance": 0.12995
}

Semantic roles & 50–950 ramp

primary

#285BDA

secondary

#D7C087

accent

#BA3AED

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #285BDA

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

Preview Lab → · Contrast checker → · Palette generator →