#4297D9#4297D9

#4297D9 is a light, vivid cyan. Relative luminance 0.283; OKLCH L 65.4% C 0.128 H 245.1°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4297D9
RGB	rgb(66, 151, 217)
HSL	hsl(206, 67%, 55%)
HSV	hsv(206, 70%, 85%)
CMYK	cmyk(69.6%, 30.4%, 0%, 14.9%)
CIE-LAB	lab(60.16, -4.39, -41.09)
CIE-LCH	lch(60.16, 41.32, 263.91°)
OKLab	oklab(65.39% -0.0539 -0.1162)
OKLCH	oklch(65.39% 0.128 245.1)
XYZ	xyz(25.8330, 28.2984, 69.7329)
Luminance	0.2830 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4297D9 #D98442

analogous

#42D9CF #4297D9 #424BD9

triadic

#4297D9 #D94297 #97D942

tetradic

#4297D9 #CF42D9 #D98442 #4BD942

square

#4297D9 #CF42D9 #D98442 #4BD942

split-complementary

#4297D9 #D9424B #D9CF42

monochromatic

#1B5786 #2578B9 #4297D9 #75B3E3 #A8CFED

Accessibility & contrast

On white

3.15

#4297D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#4297D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4297D9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4297D9	#FFFFFF	#000000	##000000
##4297D9	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7999DC

Deuteranopia (green-blind)

#648BD8

Tritanopia (blue-blind)

#00A7AE

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4297d9;
/* rgb */ color: rgb(66, 151, 217);
/* oklch */ color: oklch(65.4% 0.128 245.1);

Tailwind

colors: {
  custom: {
    50: '#87b5e5',
    500: '#4297d9',
    950: '#000000',
  },
}

SCSS

$custom: #4297d9;
$custom-light: #87b5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4297d9",
  "rgb": {
    "r": 66,
    "g": 151,
    "b": 217
  },
  "hsl": {
    "h": 206.225,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.65387,
    "c": 0.12812,
    "h": 245.1
  },
  "luminance": 0.28301
}

Semantic roles & 50–950 ramp

primary

#4297D9

secondary

#DBB79C

accent

#893EE9

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #4297D9

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

Preview Lab → · Contrast checker → · Palette generator →