#285FB0#285FB0

#285FB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.3% C 0.142 H 258.4°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#285FB0
RGB	rgb(40, 95, 176)
HSL	hsl(216, 63%, 42%)
HSV	hsv(216, 77%, 69%)
CMYK	cmyk(77.3%, 46%, 0%, 31%)
CIE-LAB	lab(40.85, 11.27, -48.34)
CIE-LCH	lch(40.85, 49.64, 283.12°)
OKLab	oklab(49.34% -0.0286 -0.1386)
OKLCH	oklch(49.34% 0.142 258.4)
XYZ	xyz(12.8009, 11.7686, 42.6628)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285FB0 #B07928

analogous

#28A3B0 #285FB0 #3528B0

triadic

#285FB0 #B0285F #5FB028

tetradic

#285FB0 #B028A3 #B07928 #28B035

square

#285FB0 #B028A3 #B07928 #28B035

split-complementary

#285FB0 #B03528 #A3B028

monochromatic

#11294C #1D447E #285FB0 #417DD4 #739FDF

Accessibility & contrast

On white

6.26

#285FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#285FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285FB0

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285FB0	#FFFFFF	#000000	##FFFFFF
##285FB0	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B3

Deuteranopia (green-blind)

#155BAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #285fb0;
/* rgb */ color: rgb(40, 95, 176);
/* oklch */ color: oklch(49.3% 0.142 258.4);

Tailwind

colors: {
  custom: {
    50: '#768bc8',
    500: '#285fb0',
    950: '#000000',
  },
}

SCSS

$custom: #285fb0;
$custom-light: #768bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#285fb0",
  "rgb": {
    "r": 40,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 215.735,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49343,
    "c": 0.14156,
    "h": 258.4
  },
  "luminance": 0.1177
}

Semantic roles & 50–950 ramp

primary

#285FB0

secondary

#C6A26D

accent

#A442E6

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #285FB0

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

Preview Lab → · Contrast checker → · Palette generator →