#4B90D8#4B90D8

#4B90D8 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.129 H 251.4°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4B90D8
RGB	rgb(75, 144, 216)
HSL	hsl(211, 64%, 57%)
HSV	hsv(211, 65%, 85%)
CMYK	cmyk(65.3%, 33.3%, 0%, 15.3%)
CIE-LAB	lab(58.41, 0.74, -43.25)
CIE-LCH	lch(58.41, 43.26, 270.98°)
OKLab	oklab(64.09% -0.0413 -0.1225)
OKLCH	oklch(64.09% 0.129 251.4)
XYZ	xyz(25.2650, 26.3977, 68.7162)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90D8 #D8934B

analogous

#4BD7D8 #4B90D8 #4C4BD8

triadic

#4B90D8 #D84B90 #90D84B

tetradic

#4B90D8 #D84BD7 #D8934B #4BD84C

square

#4B90D8 #D84BD7 #D8934B #4BD84C

split-complementary

#4B90D8 #D84C4B #D7D84B

monochromatic

#1E538B #2971BD #4B90D8 #7DAFE3 #B0CEEE

Accessibility & contrast

On white

3.34

#4B90D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#4B90D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90D8

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90D8	#FFFFFF	#000000	##000000
##4B90D8	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DB

Deuteranopia (green-blind)

#5D86D7

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b90d8;
/* rgb */ color: rgb(75, 144, 216);
/* oklch */ color: oklch(64.1% 0.129 251.4);

Tailwind

colors: {
  custom: {
    50: '#8bb0e4',
    500: '#4b90d8',
    950: '#000000',
  },
}

SCSS

$custom: #4b90d8;
$custom-light: #8bb0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90d8",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 216
  },
  "hsl": {
    "h": 210.638,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.64086,
    "c": 0.12929,
    "h": 251.4
  },
  "luminance": 0.264
}

Semantic roles & 50–950 ramp

primary

#4B90D8

secondary

#DCC0A3

accent

#9640E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4B90D8

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

Preview Lab → · Contrast checker → · Palette generator →