#3A90BC#3A90BC

#3A90BC is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.0% C 0.105 H 234.5°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A90BC
RGB	rgb(58, 144, 188)
HSL	hsl(200, 53%, 48%)
HSV	hsv(200, 69%, 74%)
CMYK	cmyk(69.1%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.56, -11.49, -30.42)
CIE-LCH	lch(56.56, 32.51, 249.31°)
OKLab	oklab(62.04% -0.061 -0.0855)
OKLCH	oklch(62.04% 0.105 234.5)
XYZ	xyz(20.7917, 24.4746, 51.1955)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A90BC #BC663A

analogous

#3ABCA7 #3A90BC #3A4FBC

triadic

#3A90BC #BC3A90 #90BC3A

tetradic

#3A90BC #A73ABC #BC663A #4FBC3A

square

#3A90BC #A73ABC #BC663A #4FBC3A

split-complementary

#3A90BC #BC3A4F #BCA73A

monochromatic

#1D485E #2C6C8D #3A90BC #64ABCF #93C4DE

Accessibility & contrast

On white

3.56

#3A90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#3A90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A90BC

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A90BC	#FFFFFF	#000000	##000000
##3A90BC	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBE

Deuteranopia (green-blind)

#6982BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3a90bc;
/* rgb */ color: rgb(58, 144, 188);
/* oklch */ color: oklch(62.0% 0.105 234.5);

Tailwind

colors: {
  custom: {
    50: '#7fb0d0',
    500: '#3a90bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a90bc;
$custom-light: #7fb0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a90bc",
  "rgb": {
    "r": 58,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 200.308,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.62042,
    "c": 0.10501,
    "h": 234.5
  },
  "luminance": 0.24477
}

Semantic roles & 50–950 ramp

primary

#3A90BC

secondary

#C99F89

accent

#7D4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3A90BC

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

Preview Lab → · Contrast checker → · Palette generator →