#4297DA#4297DA

#4297DA is a light, vivid cyan. Relative luminance 0.284; OKLCH L 65.4% C 0.129 H 245.5°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4297DA
RGB	rgb(66, 151, 218)
HSL	hsl(206, 67%, 56%)
HSV	hsv(206, 70%, 85%)
CMYK	cmyk(69.7%, 30.7%, 0%, 14.5%)
CIE-LAB	lab(60.20, -4.04, -41.57)
CIE-LCH	lch(60.20, 41.77, 264.44°)
OKLab	oklab(65.44% -0.0536 -0.1176)
OKLCH	oklch(65.44% 0.129 245.5)
XYZ	xyz(25.9635, 28.3506, 70.4200)
Luminance	0.2835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4297DA #DA8542

analogous

#42DAD1 #4297DA #424BDA

triadic

#4297DA #DA4297 #97DA42

tetradic

#4297DA #D142DA #DA8542 #4BDA42

square

#4297DA #D142DA #DA8542 #4BDA42

split-complementary

#4297DA #DA424B #DAD142

monochromatic

#1A5787 #2478BA #4297DA #75B3E4 #A8CFEE

Accessibility & contrast

On white

3.15

#4297DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#4297DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4297DA

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4297DA	#FFFFFF	#000000	##000000
##4297DA	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7999DD

Deuteranopia (green-blind)

#648BD9

Tritanopia (blue-blind)

#00A7AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4297da;
/* rgb */ color: rgb(66, 151, 218);
/* oklch */ color: oklch(65.4% 0.129 245.5);

Tailwind

colors: {
  custom: {
    50: '#87b5e6',
    500: '#4297da',
    950: '#000000',
  },
}

SCSS

$custom: #4297da;
$custom-light: #87b5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4297da",
  "rgb": {
    "r": 66,
    "g": 151,
    "b": 218
  },
  "hsl": {
    "h": 206.447,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.6544,
    "c": 0.12928,
    "h": 245.5
  },
  "luminance": 0.28353
}

Semantic roles & 50–950 ramp

primary

#4297DA

secondary

#DBB89C

accent

#8A3EEA

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4297DA

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

Preview Lab → · Contrast checker → · Palette generator →