#4A90D8#4A90D8

#4A90D8 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.130 H 251.1°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4A90D8
RGB	rgb(74, 144, 216)
HSL	hsl(210, 65%, 57%)
HSV	hsv(210, 66%, 85%)
CMYK	cmyk(65.7%, 33.3%, 0%, 15.3%)
CIE-LAB	lab(58.38, 0.58, -43.32)
CIE-LCH	lch(58.38, 43.32, 270.76°)
OKLab	oklab(64.05% -0.042 -0.1227)
OKLCH	oklch(64.05% 0.13 251.1)
XYZ	xyz(25.1874, 26.3577, 68.7126)
Luminance	0.2636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90D8 #D8924A

analogous

#4AD7D8 #4A90D8 #4B4AD8

triadic

#4A90D8 #D84A90 #90D84A

tetradic

#4A90D8 #D84AD7 #D8924A #4AD84B

square

#4A90D8 #D84AD7 #D8924A #4AD84B

split-complementary

#4A90D8 #D84B4A #D7D84A

monochromatic

#1E538A #2971BC #4A90D8 #7CAFE3 #AFCEEE

Accessibility & contrast

On white

3.35

#4A90D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#4A90D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90D8

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90D8	#FFFFFF	#000000	##000000
##4A90D8	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7094DB

Deuteranopia (green-blind)

#5D86D7

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4a90d8;
/* rgb */ color: rgb(74, 144, 216);
/* oklch */ color: oklch(64.0% 0.130 251.1);

Tailwind

colors: {
  custom: {
    50: '#8ab0e4',
    500: '#4a90d8',
    950: '#000000',
  },
}

SCSS

$custom: #4a90d8;
$custom-light: #8ab0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90d8",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 216
  },
  "hsl": {
    "h": 210.423,
    "s": 64.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.64046,
    "c": 0.12971,
    "h": 251.1
  },
  "luminance": 0.2636
}

Semantic roles & 50–950 ramp

primary

#4A90D8

secondary

#DCBFA2

accent

#9540E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4A90D8

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

Preview Lab → · Contrast checker → · Palette generator →