#4189CF#4189CF

#4189CF is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.6% C 0.129 H 250.1°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4189CF
RGB	rgb(65, 137, 207)
HSL	hsl(210, 60%, 53%)
HSV	hsv(210, 69%, 81%)
CMYK	cmyk(68.6%, 33.8%, 0%, 18.8%)
CIE-LAB	lab(55.60, 0.14, -42.66)
CIE-LCH	lch(55.60, 42.66, 270.19°)
OKLab	oklab(61.64% -0.0437 -0.121)
OKLCH	oklch(61.64% 0.129 250.1)
XYZ	xyz(22.3839, 23.5178, 62.3791)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189CF #CF8741

analogous

#41CFCE #4189CF #4142CF

triadic

#4189CF #CF4189 #89CF41

tetradic

#4189CF #CE41CF #CF8741 #42CF41

square

#4189CF #CE41CF #CF8741 #42CF41

split-complementary

#4189CF #CF4142 #CFCE41

monochromatic

#1E4B77 #2B6AA8 #4189CF #72A7DB #A3C6E8

Accessibility & contrast

On white

3.68

#4189CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#4189CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189CF

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189CF	#FFFFFF	#000000	##000000
##4189CF	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8DD2

Deuteranopia (green-blind)

#567FCE

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4189cf;
/* rgb */ color: rgb(65, 137, 207);
/* oklch */ color: oklch(61.6% 0.129 250.1);

Tailwind

colors: {
  custom: {
    50: '#85abde',
    500: '#4189cf',
    950: '#000000',
  },
}

SCSS

$custom: #4189cf;
$custom-light: #85abde;
$custom-dark: #000000;

JSON

{
  "hex": "#4189cf",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 207
  },
  "hsl": {
    "h": 209.577,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61636,
    "c": 0.12864,
    "h": 250.1
  },
  "luminance": 0.2352
}

Semantic roles & 50–950 ramp

primary

#4189CF

secondary

#D4B597

accent

#9345E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4189CF

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

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