#4289C2#4289C2

#4289C2 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 61.0% C 0.112 H 245.4°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4289C2
RGB	rgb(66, 137, 194)
HSL	hsl(207, 51%, 51%)
HSV	hsv(207, 66%, 76%)
CMYK	cmyk(66%, 29.4%, 0%, 23.9%)
CIE-LAB	lab(55.01, -4.17, -36.22)
CIE-LCH	lch(55.01, 36.46, 263.43°)
OKLab	oklab(60.98% -0.0468 -0.1022)
OKLCH	oklch(60.98% 0.112 245.4)
XYZ	xyz(20.9264, 22.9425, 54.3540)
Luminance	0.2294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4289C2 #C27B42

analogous

#42C2BB #4289C2 #4249C2

triadic

#4289C2 #C24289 #89C242

tetradic

#4289C2 #BB42C2 #C27B42 #49C242

square

#4289C2 #BB42C2 #C27B42 #49C242

split-complementary

#4289C2 #C24249 #C2BB42

monochromatic

#224968 #316996 #4289C2 #70A6D1 #9FC3E0

Accessibility & contrast

On white

3.76

#4289C2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#4289C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4289C2

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4289C2	#FFFFFF	#000000	##000000
##4289C2	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708BC5

Deuteranopia (green-blind)

#5E7EC1

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4289c2;
/* rgb */ color: rgb(66, 137, 194);
/* oklch */ color: oklch(61.0% 0.112 245.4);

Tailwind

colors: {
  custom: {
    50: '#83abd4',
    500: '#4289c2',
    950: '#000000',
  },
}

SCSS

$custom: #4289c2;
$custom-light: #83abd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4289c2",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 194
  },
  "hsl": {
    "h": 206.719,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.60978,
    "c": 0.11243,
    "h": 245.4
  },
  "luminance": 0.22945
}

Semantic roles & 50–950 ramp

primary

#4289C2

secondary

#CCAD94

accent

#8C4DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4289C2

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

Preview Lab → · Contrast checker → · Palette generator →