#285DA5#285DA5

#285DA5 is a mid, vivid cyan. Relative luminance 0.110; OKLCH L 48.1% C 0.129 H 257.0°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#285DA5
RGB	rgb(40, 93, 165)
HSL	hsl(215, 61%, 40%)
HSV	hsv(215, 76%, 65%)
CMYK	cmyk(75.8%, 43.6%, 0%, 35.3%)
CIE-LAB	lab(39.57, 8.33, -43.88)
CIE-LCH	lch(39.57, 44.66, 280.74°)
OKLab	oklab(48.14% -0.029 -0.1256)
OKLCH	oklch(48.14% 0.129 257)
XYZ	xyz(11.5785, 10.9951, 37.1021)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#285DA5 #A57028

analogous

#289CA5 #285DA5 #3128A5

triadic

#285DA5 #A5285D #5DA528

tetradic

#285DA5 #A5289C #A57028 #28A531

square

#285DA5 #A5289C #A57028 #28A531

split-complementary

#285DA5 #A53128 #9CA528

monochromatic

#102542 #1C4174 #285DA5 #3B7ACF #6C9BDB

Accessibility & contrast

On white

6.56

#285DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#285DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #285DA5

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##285DA5	#FFFFFF	#000000	##FFFFFF
##285DA5	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3963A8

Deuteranopia (green-blind)

#2258A4

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #285da5;
/* rgb */ color: rgb(40, 93, 165);
/* oklch */ color: oklch(48.1% 0.129 257.0);

Tailwind

colors: {
  custom: {
    50: '#748ac0',
    500: '#285da5',
    950: '#000000',
  },
}

SCSS

$custom: #285da5;
$custom-light: #748ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#285da5",
  "rgb": {
    "r": 40,
    "g": 93,
    "b": 165
  },
  "hsl": {
    "h": 214.56,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48137,
    "c": 0.12887,
    "h": 257
  },
  "luminance": 0.10996
}

Semantic roles & 50–950 ramp

primary

#285DA5

secondary

#C29B67

accent

#A044E4

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #285DA5

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

Preview Lab → · Contrast checker → · Palette generator →