#3A90DD#3A90DD

#3A90DD is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.142 H 249.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3A90DD
RGB	rgb(58, 144, 221)
HSL	hsl(208, 71%, 55%)
HSV	hsv(208, 74%, 87%)
CMYK	cmyk(73.8%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.10, -0.04, -46.58)
CIE-LCH	lch(58.10, 46.58, 269.96°)
OKLab	oklab(63.76% -0.0508 -0.1325)
OKLCH	oklch(63.76% 0.142 249)
XYZ	xyz(24.7644, 26.0637, 72.1182)
Luminance	0.2607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A90DD #DD873A

analogous

#3ADDD9 #3A90DD #3A3EDD

triadic

#3A90DD #DD3A90 #90DD3A

tetradic

#3A90DD #D93ADD #DD873A #3EDD3A

square

#3A90DD #D93ADD #DD873A #3EDD3A

split-complementary

#3A90DD #DD3A3E #DDD93A

monochromatic

#175186 #2071BA #3A90DD #6EADE6 #A2CBEF

Accessibility & contrast

On white

3.38

#3A90DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#3A90DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A90DD

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A90DD	#FFFFFF	#000000	##000000
##3A90DD	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D94E0

Deuteranopia (green-blind)

#5585DC

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3a90dd;
/* rgb */ color: rgb(58, 144, 221);
/* oklch */ color: oklch(63.8% 0.142 249.0);

Tailwind

colors: {
  custom: {
    50: '#85b0e8',
    500: '#3a90dd',
    950: '#000000',
  },
}

SCSS

$custom: #3a90dd;
$custom-light: #85b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a90dd",
  "rgb": {
    "r": 58,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 208.344,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63762,
    "c": 0.14187,
    "h": 249
  },
  "luminance": 0.26067
}

Semantic roles & 50–950 ramp

primary

#3A90DD

secondary

#DCB897

accent

#8F3AED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3A90DD

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

Preview Lab → · Contrast checker → · Palette generator →