#4299BA#4299BA

#4299BA is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.096 H 226.3°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4299BA
RGB	rgb(66, 153, 186)
HSL	hsl(197, 48%, 49%)
HSV	hsv(197, 65%, 73%)
CMYK	cmyk(64.5%, 17.7%, 0%, 27.1%)
CIE-LAB	lab(59.42, -15.79, -24.85)
CIE-LCH	lch(59.42, 29.44, 237.56°)
OKLab	oklab(64.36% -0.0664 -0.0694)
OKLCH	oklch(64.36% 0.096 226.3)
XYZ	xyz(22.4974, 27.4835, 50.5641)
Luminance	0.2749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4299BA #BA6342

analogous

#42BA9F #4299BA #425DBA

triadic

#4299BA #BA4299 #99BA42

tetradic

#4299BA #9F42BA #BA6342 #5DBA42

square

#4299BA #9F42BA #BA6342 #5DBA42

split-complementary

#4299BA #BA425D #BA9F42

monochromatic

#224F60 #32748D #4299BA #6EB2CB #9BCADB

Accessibility & contrast

On white

3.23

#4299BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#4299BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4299BA

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4299BA	#FFFFFF	#000000	##000000
##4299BA	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8796BC

Deuteranopia (green-blind)

#768ABA

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4299ba;
/* rgb */ color: rgb(66, 153, 186);
/* oklch */ color: oklch(64.4% 0.096 226.3);

Tailwind

colors: {
  custom: {
    50: '#83b7ce',
    500: '#4299ba',
    950: '#000000',
  },
}

SCSS

$custom: #4299ba;
$custom-light: #83b7ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4299ba",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 186
  },
  "hsl": {
    "h": 196.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64364,
    "c": 0.09601,
    "h": 226.3
  },
  "luminance": 0.27486
}

Semantic roles & 50–950 ramp

primary

#4299BA

secondary

#C89F90

accent

#7651D7

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #4299BA

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

Preview Lab → · Contrast checker → · Palette generator →