#285AA5#285AA5

#285AA5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.132 H 258.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#285AA5
RGB	rgb(40, 90, 165)
HSL	hsl(216, 61%, 40%)
HSV	hsv(216, 76%, 65%)
CMYK	cmyk(75.8%, 45.5%, 0%, 35.3%)
CIE-LAB	lab(38.69, 10.28, -45.30)
CIE-LCH	lch(38.69, 46.45, 282.79°)
OKLab	oklab(47.45% -0.0263 -0.1298)
OKLCH	oklch(47.45% 0.132 258.5)
XYZ	xyz(11.3203, 10.4788, 37.0160)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285AA5 #A57328

analogous

#2899A5 #285AA5 #3428A5

triadic

#285AA5 #A5285A #5AA528

tetradic

#285AA5 #A52899 #A57328 #28A534

square

#285AA5 #A52899 #A57328 #28A534

split-complementary

#285AA5 #A53428 #99A528

monochromatic

#102442 #1C3F74 #285AA5 #3B76CF #6C99DB

Accessibility & contrast

On white

6.78

#285AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#285AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285AA5

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285AA5	#FFFFFF	#000000	##FFFFFF
##285AA5	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3461A8

Deuteranopia (green-blind)

#1956A3

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #285aa5;
/* rgb */ color: rgb(40, 90, 165);
/* oklch */ color: oklch(47.5% 0.132 258.5);

Tailwind

colors: {
  custom: {
    50: '#7488c0',
    500: '#285aa5',
    950: '#000000',
  },
}

SCSS

$custom: #285aa5;
$custom-light: #7488c0;
$custom-dark: #000000;

JSON

{
  "hex": "#285aa5",
  "rgb": {
    "r": 40,
    "g": 90,
    "b": 165
  },
  "hsl": {
    "h": 216,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47453,
    "c": 0.13243,
    "h": 258.5
  },
  "luminance": 0.1048
}

Semantic roles & 50–950 ramp

primary

#285AA5

secondary

#C29D67

accent

#A444E4

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285AA5

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

Preview Lab → · Contrast checker → · Palette generator →