#285CB4#285CB4

#285CB4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.151 H 260.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#285CB4
RGB	rgb(40, 92, 180)
HSL	hsl(218, 64%, 43%)
HSV	hsv(218, 78%, 71%)
CMYK	cmyk(77.8%, 48.9%, 0%, 29.4%)
CIE-LAB	lab(40.24, 14.77, -51.66)
CIE-LCH	lch(40.24, 53.73, 285.95°)
OKLab	oklab(48.97% -0.0254 -0.1485)
OKLCH	oklch(48.97% 0.151 260.3)
XYZ	xyz(12.9374, 11.3992, 44.6896)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285CB4 #B48028

analogous

#28A2B4 #285CB4 #3A28B4

triadic

#285CB4 #B4285C #5CB428

tetradic

#285CB4 #B428A2 #B48028 #28B43A

square

#285CB4 #B428A2 #B48028 #28B43A

split-complementary

#285CB4 #B43A28 #A2B428

monochromatic

#122950 #1D4282 #285CB4 #447AD5 #769DE1

Accessibility & contrast

On white

6.40

#285CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#285CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285CB4

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285CB4	#FFFFFF	#000000	##FFFFFF
##285CB4	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2966B7

Deuteranopia (green-blind)

#0059B2

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #285cb4;
/* rgb */ color: rgb(40, 92, 180);
/* oklch */ color: oklch(49.0% 0.151 260.3);

Tailwind

colors: {
  custom: {
    50: '#7789cb',
    500: '#285cb4',
    950: '#000000',
  },
}

SCSS

$custom: #285cb4;
$custom-light: #7789cb;
$custom-dark: #000000;

JSON

{
  "hex": "#285cb4",
  "rgb": {
    "r": 40,
    "g": 92,
    "b": 180
  },
  "hsl": {
    "h": 217.714,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48965,
    "c": 0.15063,
    "h": 260.3
  },
  "luminance": 0.11401
}

Semantic roles & 50–950 ramp

primary

#285CB4

secondary

#C8A770

accent

#A941E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #285CB4

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

Preview Lab → · Contrast checker → · Palette generator →