#4297E2#4297E2

#4297E2 is a light, vivid cyan. Relative luminance 0.288; OKLCH L 65.9% C 0.139 H 248.3°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#4297E2
RGBrgb(66, 151, 226)
HSLhsl(208, 73%, 57%)
HSVhsv(208, 71%, 89%)
CMYKcmyk(70.8%, 33.2%, 0%, 11.4%)
CIE-LABlab(60.59, -1.29, -45.42)
CIE-LCHlch(60.59, 45.44, 268.38°)
OKLaboklab(65.87% -0.0513 -0.1289)
OKLCHoklch(65.87% 0.139 248.3)
XYZxyz(27.0357, 28.7795, 76.0669)
Luminance0.2878 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4297E2 #E28D42
analogous
#42E2DD #4297E2 #4247E2
triadic
#4297E2 #E24297 #97E242
tetradic
#4297E2 #DD42E2 #E28D42 #47E242
square
#4297E2 #DD42E2 #E28D42 #47E242
split-complementary
#4297E2 #E24247 #E2DD42
monochromatic
#175993 #1F79C8 #4297E2 #77B4EA #ACD1F2

Accessibility & contrast

On white

3.11
#4297E2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.76
#4297E2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4297E2
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4297E2#FFFFFF#000000##000000
##4297E21.003.116.766.76
#FFFFFF3.111.0021.0021.00
#0000006.7621.001.001.00
##0000006.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#759AE5
Deuteranopia (green-blind)
#5E8BE1
Tritanopia (blue-blind)
#00A9B2
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #4297e2;
/* rgb */ color: rgb(66, 151, 226);
/* oklch */ color: oklch(65.9% 0.139 248.3);
Tailwind
colors: {
  custom: {
    50: '#89b5eb',
    500: '#4297e2',
    950: '#000000',
  },
}
SCSS
$custom: #4297e2;
$custom-light: #89b5eb;
$custom-dark: #000000;
JSON
{
  "hex": "#4297e2",
  "rgb": {
    "r": 66,
    "g": 151,
    "b": 226
  },
  "hsl": {
    "h": 208.125,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.65866,
    "c": 0.1387,
    "h": 248.3
  },
  "luminance": 0.28782
}

Semantic roles & 50–950 ramp

primary
#4297E2
secondary
#E0BE9F
accent
#8E38F0
background
#F9FBFE
surface
#F1F6FD
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #4297E2

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

Preview Lab → · Contrast checker → · Palette generator →

#4297E2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva