#285AA6#285AA6

#285AA6 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.134 H 258.8°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#285AA6
RGB	rgb(40, 90, 166)
HSL	hsl(216, 61%, 40%)
HSV	hsv(216, 76%, 65%)
CMYK	cmyk(75.9%, 45.8%, 0%, 34.9%)
CIE-LAB	lab(38.75, 10.67, -45.79)
CIE-LCH	lch(38.75, 47.01, 283.11°)
OKLab	oklab(47.52% -0.0261 -0.1312)
OKLCH	oklch(47.52% 0.134 258.8)
XYZ	xyz(11.4117, 10.5153, 37.4972)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285AA6 #A67428

analogous

#2899A6 #285AA6 #3528A6

triadic

#285AA6 #A6285A #5AA628

tetradic

#285AA6 #A62899 #A67428 #28A635

square

#285AA6 #A62899 #A67428 #28A635

split-complementary

#285AA6 #A63528 #99A628

monochromatic

#102543 #1C3F75 #285AA6 #3B76D0 #6D99DC

Accessibility & contrast

On white

6.77

#285AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#285AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285AA6

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285AA6	#FFFFFF	#000000	##FFFFFF
##285AA6	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3361A9

Deuteranopia (green-blind)

#1856A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #285aa6;
/* rgb */ color: rgb(40, 90, 166);
/* oklch */ color: oklch(47.5% 0.134 258.8);

Tailwind

colors: {
  custom: {
    50: '#7488c1',
    500: '#285aa6',
    950: '#000000',
  },
}

SCSS

$custom: #285aa6;
$custom-light: #7488c1;
$custom-dark: #000000;

JSON

{
  "hex": "#285aa6",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 166
  },
  "hsl": {
    "h": 216.19,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47522,
    "c": 0.13381,
    "h": 258.8
  },
  "luminance": 0.10517
}

Semantic roles & 50–950 ramp

primary

#285AA6

secondary

#C29E67

accent

#A444E4

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285AA6

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

Preview Lab → · Contrast checker → · Palette generator →