#4B90CC#4B90CC

#4B90CC is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.115 H 247.0°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4B90CC
RGB	rgb(75, 144, 204)
HSL	hsl(208, 56%, 55%)
HSV	hsv(208, 63%, 80%)
CMYK	cmyk(63.2%, 29.4%, 0%, 20%)
CIE-LAB	lab(57.85, -3.29, -37.41)
CIE-LCH	lch(57.85, 37.55, 264.98°)
OKLab	oklab(63.46% -0.0447 -0.1055)
OKLCH	oklch(63.46% 0.115 247)
XYZ	xyz(23.7699, 25.7997, 60.8422)
Luminance	0.2580 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90CC #CC874B

analogous

#4BCCC8 #4B90CC #4B50CC

triadic

#4B90CC #CC4B90 #90CC4B

tetradic

#4B90CC #C84BCC #CC874B #50CC4B

square

#4B90CC #C84BCC #CC874B #50CC4B

split-complementary

#4B90CC #CC4B50 #CCC84B

monochromatic

#23517A #3071AA #4B90CC #7BADDA #AACBE7

Accessibility & contrast

On white

3.41

#4B90CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#4B90CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90CC

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90CC	#FFFFFF	#000000	##000000
##4B90CC	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6485CB

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4b90cc;
/* rgb */ color: rgb(75, 144, 204);
/* oklch */ color: oklch(63.5% 0.115 247.0);

Tailwind

colors: {
  custom: {
    50: '#89b0dc',
    500: '#4b90cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b90cc;
$custom-light: #89b0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90cc",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 204
  },
  "hsl": {
    "h": 207.907,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.63455,
    "c": 0.11461,
    "h": 247
  },
  "luminance": 0.25802
}

Semantic roles & 50–950 ramp

primary

#4B90CC

secondary

#D5B89E

accent

#8F49DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4B90CC

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

Preview Lab → · Contrast checker → · Palette generator →