#4189BC#4189BC

#4189BC is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.106 H 242.2°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4189BC
RGB	rgb(65, 137, 188)
HSL	hsl(205, 49%, 50%)
HSV	hsv(205, 65%, 74%)
CMYK	cmyk(65.4%, 27.1%, 0%, 26.3%)
CIE-LAB	lab(54.70, -6.38, -33.29)
CIE-LCH	lch(54.70, 33.90, 259.16°)
OKLab	oklab(60.63% -0.0494 -0.0937)
OKLCH	oklch(60.63% 0.106 242.2)
XYZ	xyz(20.1993, 22.6439, 50.8734)
Luminance	0.2265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189BC #BC7441

analogous

#41BCB2 #4189BC #414BBC

triadic

#4189BC #BC4189 #89BC41

tetradic

#4189BC #B241BC #BC7441 #4BBC41

square

#4189BC #B241BC #BC7441 #4BBC41

split-complementary

#4189BC #BC414B #BCB241

monochromatic

#224761 #31688F #4189BC #6EA5CD #9BC1DC

Accessibility & contrast

On white

3.80

#4189BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#4189BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189BC

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189BC	#FFFFFF	#000000	##000000
##4189BC	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728ABE

Deuteranopia (green-blind)

#617EBB

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4189bc;
/* rgb */ color: rgb(65, 137, 188);
/* oklch */ color: oklch(60.6% 0.106 242.2);

Tailwind

colors: {
  custom: {
    50: '#82abd0',
    500: '#4189bc',
    950: '#000000',
  },
}

SCSS

$custom: #4189bc;
$custom-light: #82abd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4189bc",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 188
  },
  "hsl": {
    "h": 204.878,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60633,
    "c": 0.10596,
    "h": 242.2
  },
  "luminance": 0.22646
}

Semantic roles & 50–950 ramp

primary

#4189BC

secondary

#C9A890

accent

#8850D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4189BC

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

Preview Lab → · Contrast checker → · Palette generator →