#4EA9E9#4EA9E9

#4EA9E9 is a light, vivid cyan. Relative luminance 0.359; OKLCH L 70.7% C 0.128 H 242.3°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#4EA9E9
RGB	rgb(78, 169, 233)
HSL	hsl(205, 78%, 61%)
HSV	hsv(205, 67%, 91%)
CMYK	cmyk(66.5%, 27.5%, 0%, 8.6%)
CIE-LAB	lab(66.42, -7.33, -40.08)
CIE-LCH	lch(66.42, 40.75, 259.64°)
OKLab	oklab(70.68% -0.0593 -0.113)
OKLCH	oklch(70.68% 0.128 242.3)
XYZ	xyz(32.0322, 35.8754, 82.3115)
Luminance	0.3588 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA9E9 #E98E4E

analogous

#4EE9DB #4EA9E9 #4E5BE9

triadic

#4EA9E9 #E94EA9 #A9E94E

tetradic

#4EA9E9 #DB4EE9 #E98E4E #5BE94E

square

#4EA9E9 #DB4EE9 #E98E4E #5BE94E

split-complementary

#4EA9E9 #E94E5B #E9DB4E

monochromatic

#156BA8 #1C8EDE #4EA9E9 #84C3F0 #BBDEF7

Accessibility & contrast

On white

2.57

#4EA9E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#4EA9E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA9E9

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA9E9	#FFFFFF	#000000	##000000
##4EA9E9	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CAAEC

Deuteranopia (green-blind)

#779BE8

Tritanopia (blue-blind)

#00B9BF

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #4ea9e9;
/* rgb */ color: rgb(78, 169, 233);
/* oklch */ color: oklch(70.7% 0.128 242.3);

Tailwind

colors: {
  custom: {
    50: '#8fc2f0',
    500: '#4ea9e9',
    950: '#000000',
  },
}

SCSS

$custom: #4ea9e9;
$custom-light: #8fc2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea9e9",
  "rgb": {
    "r": 78,
    "g": 169,
    "b": 233
  },
  "hsl": {
    "h": 204.774,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.70683,
    "c": 0.12762,
    "h": 242.3
  },
  "luminance": 0.35879
}

Semantic roles & 50–950 ramp

primary

#4EA9E9

secondary

#E7C4AC

accent

#610BDA

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #4EA9E9

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

Preview Lab → · Contrast checker → · Palette generator →