#4B90BE#4B90BE

#4B90BE is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.099 H 240.1°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4B90BE
RGB	rgb(75, 144, 190)
HSL	hsl(204, 47%, 52%)
HSV	hsv(204, 61%, 75%)
CMYK	cmyk(60.5%, 24.2%, 0%, 25.5%)
CIE-LAB	lab(57.23, -7.88, -30.47)
CIE-LCH	lch(57.23, 31.47, 255.50°)
OKLab	oklab(62.77% -0.0492 -0.0854)
OKLCH	oklch(62.77% 0.099 240.1)
XYZ	xyz(22.1657, 25.1580, 52.3931)
Luminance	0.2516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90BE #BE794B

analogous

#4BBEB3 #4B90BE #4B57BE

triadic

#4B90BE #BE4B90 #90BE4B

tetradic

#4B90BE #B34BBE #BE794B #57BE4B

square

#4B90BE #B34BBE #BE794B #57BE4B

split-complementary

#4B90BE #BE4B57 #BEB34B

monochromatic

#264E69 #366F96 #4B90BE #78ACCE #A5C7DE

Accessibility & contrast

On white

3.48

#4B90BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4B90BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90BE

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90BE	#FFFFFF	#000000	##000000
##4B90BE	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C0

Deuteranopia (green-blind)

#6B84BD

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4b90be;
/* rgb */ color: rgb(75, 144, 190);
/* oklch */ color: oklch(62.8% 0.099 240.1);

Tailwind

colors: {
  custom: {
    50: '#87b0d1',
    500: '#4b90be',
    950: '#000000',
  },
}

SCSS

$custom: #4b90be;
$custom-light: #87b0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90be",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 190
  },
  "hsl": {
    "h": 204,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62765,
    "c": 0.09859,
    "h": 240.1
  },
  "luminance": 0.2516
}

Semantic roles & 50–950 ramp

primary

#4B90BE

secondary

#CCAD99

accent

#8751D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4B90BE

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

Preview Lab → · Contrast checker → · Palette generator →