#4B90DF#4B90DF

#4B90DF is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.5% C 0.138 H 253.4°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#4B90DF
RGB	rgb(75, 144, 223)
HSL	hsl(212, 70%, 58%)
HSV	hsv(212, 66%, 87%)
CMYK	cmyk(66.4%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(58.76, 3.13, -46.62)
CIE-LCH	lch(58.76, 46.72, 273.84°)
OKLab	oklab(64.47% -0.0394 -0.1323)
OKLCH	oklch(64.47% 0.138 253.4)
XYZ	xyz(26.1893, 26.7674, 73.5842)
Luminance	0.2677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90DF #DF9A4B

analogous

#4BDADF #4B90DF #504BDF

triadic

#4B90DF #DF4B90 #90DF4B

tetradic

#4B90DF #DF4BDA #DF9A4B #4BDF50

square

#4B90DF #DF4BDA #DF9A4B #4BDF50

split-complementary

#4B90DF #DF504B #DADF4B

monochromatic

#1B5495 #2471C9 #4B90DF #7FB0E8 #B3D0F1

Accessibility & contrast

On white

3.31

#4B90DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#4B90DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90DF

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90DF	#FFFFFF	#000000	##000000
##4B90DF	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E2

Deuteranopia (green-blind)

#5887DD

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4b90df;
/* rgb */ color: rgb(75, 144, 223);
/* oklch */ color: oklch(64.5% 0.138 253.4);

Tailwind

colors: {
  custom: {
    50: '#8cb0e9',
    500: '#4b90df',
    950: '#000000',
  },
}

SCSS

$custom: #4b90df;
$custom-light: #8cb0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90df",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 212.027,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.6447,
    "c": 0.13809,
    "h": 253.4
  },
  "luminance": 0.2677
}

Semantic roles & 50–950 ramp

primary

#4B90DF

secondary

#E0C5A6

accent

#9A3BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B90DF

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

Preview Lab → · Contrast checker → · Palette generator →