#4E90D3#4E90D3

#4E90D3 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.122 H 250.6°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4E90D3
RGB	rgb(78, 144, 211)
HSL	hsl(210, 60%, 57%)
HSV	hsv(210, 63%, 83%)
CMYK	cmyk(63%, 31.8%, 0%, 17.3%)
CIE-LAB	lab(58.29, -0.42, -40.64)
CIE-LCH	lch(58.29, 40.64, 269.41°)
OKLab	oklab(63.94% -0.0405 -0.1149)
OKLCH	oklch(63.94% 0.122 250.6)
XYZ	xyz(24.8687, 26.2670, 65.3748)
Luminance	0.2627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90D3 #D3914E

analogous

#4ED2D3 #4E90D3 #4F4ED3

triadic

#4E90D3 #D34E90 #90D34E

tetradic

#4E90D3 #D34ED2 #D3914E #4ED34F

square

#4E90D3 #D34ED2 #D3914E #4ED34F

split-complementary

#4E90D3 #D34F4E #D2D34E

monochromatic

#215385 #2D71B6 #4E90D3 #7FAFDF #B0CDEB

Accessibility & contrast

On white

3.36

#4E90D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#4E90D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90D3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90D3	#FFFFFF	#000000	##000000
##4E90D3	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7393D6

Deuteranopia (green-blind)

#6186D2

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4e90d3;
/* rgb */ color: rgb(78, 144, 211);
/* oklch */ color: oklch(63.9% 0.122 250.6);

Tailwind

colors: {
  custom: {
    50: '#8bb0e1',
    500: '#4e90d3',
    950: '#000000',
  },
}

SCSS

$custom: #4e90d3;
$custom-light: #8bb0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90d3",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 211
  },
  "hsl": {
    "h": 210.226,
    "s": 60.181,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63943,
    "c": 0.12179,
    "h": 250.6
  },
  "luminance": 0.26269
}

Semantic roles & 50–950 ramp

primary

#4E90D3

secondary

#DABFA3

accent

#9444E3

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4E90D3

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

Preview Lab → · Contrast checker → · Palette generator →