#4990BB#4990BB

#4990BB is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.097 H 237.6°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#4990BB
RGB	rgb(73, 144, 187)
HSL	hsl(203, 46%, 51%)
HSV	hsv(203, 61%, 73%)
CMYK	cmyk(61%, 23%, 0%, 26.7%)
CIE-LAB	lab(57.03, -9.23, -29.09)
CIE-LCH	lch(57.03, 30.52, 252.39°)
OKLab	oklab(62.54% -0.0517 -0.0815)
OKLCH	oklch(62.54% 0.097 237.6)
XYZ	xyz(21.6872, 24.9488, 50.6768)
Luminance	0.2495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4990BB #BB7449

analogous

#49BBAD #4990BB #4957BB

triadic

#4990BB #BB4990 #90BB49

tetradic

#4990BB #AD49BB #BB7449 #57BB49

square

#4990BB #AD49BB #BB7449 #57BB49

split-complementary

#4990BB #BB4957 #BBAD49

monochromatic

#254D64 #366F91 #4990BB #76ABCC #A2C6DC

Accessibility & contrast

On white

3.51

#4990BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#4990BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4990BB

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4990BB	#FFFFFF	#000000	##000000
##4990BB	1.00	3.51	5.99	5.99
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBD

Deuteranopia (green-blind)

#6C84BA

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4990bb;
/* rgb */ color: rgb(73, 144, 187);
/* oklch */ color: oklch(62.5% 0.097 237.6);

Tailwind

colors: {
  custom: {
    50: '#86b0cf',
    500: '#4990bb',
    950: '#000000',
  },
}

SCSS

$custom: #4990bb;
$custom-light: #86b0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4990bb",
  "rgb": {
    "r": 73,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 202.632,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.6254,
    "c": 0.0965,
    "h": 237.6
  },
  "luminance": 0.24951
}

Semantic roles & 50–950 ramp

primary

#4990BB

secondary

#C9AA97

accent

#8453D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4990BB

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

Preview Lab → · Contrast checker → · Palette generator →