#4289A2#4289A2

#4289A2 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.080 H 223.8°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4289A2
RGB	rgb(66, 137, 162)
HSL	hsl(196, 42%, 45%)
HSV	hsv(196, 59%, 64%)
CMYK	cmyk(59.3%, 15.4%, 0%, 36.5%)
CIE-LAB	lab(53.66, -14.67, -19.99)
CIE-LCH	lch(53.66, 24.80, 233.72°)
OKLab	oklab(59.46% -0.058 -0.0556)
OKLCH	oklch(59.46% 0.08 223.8)
XYZ	xyz(17.7115, 21.6565, 37.4221)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4289A2 #A25B42

analogous

#42A28B #4289A2 #4259A2

triadic

#4289A2 #A24289 #89A242

tetradic

#4289A2 #8B42A2 #A25B42 #59A242

square

#4289A2 #8B42A2 #A25B42 #59A242

split-complementary

#4289A2 #A24259 #A28B42

monochromatic

#1F3F4B #306477 #4289A2 #62A7BF #8EBFD1

Accessibility & contrast

On white

3.94

#4289A2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4289A2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4289A2

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4289A2	#FFFFFF	#000000	##000000
##4289A2	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B86A3

Deuteranopia (green-blind)

#6D7CA2

Tritanopia (blue-blind)

#009191

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4289a2;
/* rgb */ color: rgb(66, 137, 162);
/* oklch */ color: oklch(59.5% 0.080 223.8);

Tailwind

colors: {
  custom: {
    50: '#7fabbd',
    500: '#4289a2',
    950: '#000000',
  },
}

SCSS

$custom: #4289a2;
$custom-light: #7fabbd;
$custom-dark: #000000;

JSON

{
  "hex": "#4289a2",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 162
  },
  "hsl": {
    "h": 195.625,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59458,
    "c": 0.08038,
    "h": 223.8
  },
  "luminance": 0.21658
}

Semantic roles & 50–950 ramp

primary

#4289A2

secondary

#BC9284

accent

#7656D2

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #4289A2

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

Preview Lab → · Contrast checker → · Palette generator →