#285FB4#285FB4

#285FB4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.147 H 259.1°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#285FB4
RGB	rgb(40, 95, 180)
HSL	hsl(216, 64%, 43%)
HSV	hsv(216, 78%, 71%)
CMYK	cmyk(77.8%, 47.2%, 0%, 29.4%)
CIE-LAB	lab(41.10, 12.81, -50.28)
CIE-LCH	lch(41.10, 51.88, 284.29°)
OKLab	oklab(49.62% -0.0279 -0.1443)
OKLCH	oklch(49.62% 0.147 259.1)
XYZ	xyz(13.2025, 11.9293, 44.7779)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285FB4 #B47D28

analogous

#28A5B4 #285FB4 #3728B4

triadic

#285FB4 #B4285F #5FB428

tetradic

#285FB4 #B428A5 #B47D28 #28B437

square

#285FB4 #B428A5 #B47D28 #28B437

split-complementary

#285FB4 #B43728 #A5B428

monochromatic

#122A50 #1D4582 #285FB4 #447DD5 #76A0E1

Accessibility & contrast

On white

6.20

#285FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#285FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285FB4

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285FB4	#FFFFFF	#000000	##FFFFFF
##285FB4	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3168B7

Deuteranopia (green-blind)

#075BB2

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #285fb4;
/* rgb */ color: rgb(40, 95, 180);
/* oklch */ color: oklch(49.6% 0.147 259.1);

Tailwind

colors: {
  custom: {
    50: '#778bcb',
    500: '#285fb4',
    950: '#000000',
  },
}

SCSS

$custom: #285fb4;
$custom-light: #778bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#285fb4",
  "rgb": {
    "r": 40,
    "g": 95,
    "b": 180
  },
  "hsl": {
    "h": 216.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49624,
    "c": 0.14701,
    "h": 259.1
  },
  "luminance": 0.11931
}

Semantic roles & 50–950 ramp

primary

#285FB4

secondary

#C8A570

accent

#A641E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #285FB4

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

Preview Lab → · Contrast checker → · Palette generator →