#285CB7#285CB7

#285CB7 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.155 H 260.7°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#285CB7
RGB	rgb(40, 92, 183)
HSL	hsl(218, 64%, 44%)
HSV	hsv(218, 78%, 72%)
CMYK	cmyk(78.1%, 49.7%, 0%, 28.2%)
CIE-LAB	lab(40.45, 15.92, -53.09)
CIE-LCH	lch(40.45, 55.43, 286.70°)
OKLab	oklab(49.18% -0.025 -0.1527)
OKLCH	oklch(49.18% 0.155 260.7)
XYZ	xyz(13.2464, 11.5228, 46.3165)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285CB7 #B78328

analogous

#28A3B7 #285CB7 #3B28B7

triadic

#285CB7 #B7285C #5CB728

tetradic

#285CB7 #B728A3 #B78328 #28B73B

square

#285CB7 #B728A3 #B78328 #28B73B

split-complementary

#285CB7 #B73B28 #A3B728

monochromatic

#122A53 #1D4385 #285CB7 #467AD6 #789EE1

Accessibility & contrast

On white

6.35

#285CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#285CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285CB7

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285CB7	#FFFFFF	#000000	##FFFFFF
##285CB7	1.00	6.35	3.30	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2566BA

Deuteranopia (green-blind)

#0059B5

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285cb7;
/* rgb */ color: rgb(40, 92, 183);
/* oklch */ color: oklch(49.2% 0.155 260.7);

Tailwind

colors: {
  custom: {
    50: '#7889cd',
    500: '#285cb7',
    950: '#000000',
  },
}

SCSS

$custom: #285cb7;
$custom-light: #7889cd;
$custom-dark: #000000;

JSON

{
  "hex": "#285cb7",
  "rgb": {
    "r": 40,
    "g": 92,
    "b": 183
  },
  "hsl": {
    "h": 218.182,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49184,
    "c": 0.15472,
    "h": 260.7
  },
  "luminance": 0.11524
}

Semantic roles & 50–950 ramp

primary

#285CB7

secondary

#C9A972

accent

#AB41E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285CB7

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

Preview Lab → · Contrast checker → · Palette generator →