#285DBA#285DBA

#285DBA is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.158 H 260.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#285DBA
RGB	rgb(40, 93, 186)
HSL	hsl(218, 65%, 44%)
HSV	hsv(218, 78%, 73%)
CMYK	cmyk(78.5%, 50%, 0%, 27.1%)
CIE-LAB	lab(40.93, 16.43, -54.06)
CIE-LCH	lch(40.93, 56.50, 286.90°)
OKLab	oklab(49.62% -0.0254 -0.1555)
OKLCH	oklch(49.62% 0.158 260.7)
XYZ	xyz(13.6491, 11.8234, 48.0076)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DBA #BA8528

analogous

#28A6BA #285DBA #3C28BA

triadic

#285DBA #BA285D #5DBA28

tetradic

#285DBA #BA28A6 #BA8528 #28BA3C

square

#285DBA #BA28A6 #BA8528 #28BA3C

split-complementary

#285DBA #BA3C28 #A6BA28

monochromatic

#122B55 #1D4488 #285DBA #487CD8 #7AA0E2

Accessibility & contrast

On white

6.24

#285DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#285DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DBA

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DBA	#FFFFFF	#000000	##FFFFFF
##285DBA	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2468BD

Deuteranopia (green-blind)

#005AB8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #285dba;
/* rgb */ color: rgb(40, 93, 186);
/* oklch */ color: oklch(49.6% 0.158 260.7);

Tailwind

colors: {
  custom: {
    50: '#788acf',
    500: '#285dba',
    950: '#000000',
  },
}

SCSS

$custom: #285dba;
$custom-light: #788acf;
$custom-dark: #000000;

JSON

{
  "hex": "#285dba",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 218.219,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49622,
    "c": 0.15758,
    "h": 260.7
  },
  "luminance": 0.11825
}

Semantic roles & 50–950 ramp

primary

#285DBA

secondary

#CAAB73

accent

#AB40E8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #285DBA

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

Preview Lab → · Contrast checker → · Palette generator →