#4179BB#4179BB

#4179BB is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.9% C 0.119 H 253.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4179BB
RGB	rgb(65, 121, 187)
HSL	hsl(212, 48%, 49%)
HSV	hsv(212, 65%, 73%)
CMYK	cmyk(65.2%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(49.96, 2.74, -40.17)
CIE-LCH	lch(49.96, 40.26, 273.90°)
OKLab	oklab(56.89% -0.0329 -0.1139)
OKLCH	oklch(56.89% 0.119 253.9)
XYZ	xyz(17.9837, 18.3846, 49.6049)
Luminance	0.1839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179BB #BB8341

analogous

#41B6BB #4179BB #4641BB

triadic

#4179BB #BB4179 #79BB41

tetradic

#4179BB #BB41B6 #BB8341 #41BB46

square

#4179BB #BB41B6 #BB8341 #41BB46

split-complementary

#4179BB #BB4641 #B6BB41

monochromatic

#213E60 #315C8E #4179BB #6D99CC #9AB9DC

Accessibility & contrast

On white

4.49

#4179BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4179BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179BB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179BB	#FFFFFF	#000000	##000000
##4179BB	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBE

Deuteranopia (green-blind)

#4B72BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4179bb;
/* rgb */ color: rgb(65, 121, 187);
/* oklch */ color: oklch(56.9% 0.119 253.9);

Tailwind

colors: {
  custom: {
    50: '#829fd0',
    500: '#4179bb',
    950: '#000000',
  },
}

SCSS

$custom: #4179bb;
$custom-light: #829fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4179bb",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 212.459,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56886,
    "c": 0.11859,
    "h": 253.9
  },
  "luminance": 0.18386
}

Semantic roles & 50–950 ramp

primary

#4179BB

secondary

#C8AE90

accent

#9950D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4179BB

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

Preview Lab → · Contrast checker → · Palette generator →