#4177BB#4177BB

#4177BB is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.121 H 255.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#4177BB
RGB	rgb(65, 119, 187)
HSL	hsl(213, 48%, 49%)
HSV	hsv(213, 65%, 73%)
CMYK	cmyk(65.2%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.38, 3.95, -41.09)
CIE-LCH	lch(49.38, 41.28, 275.50°)
OKLab	oklab(56.43% -0.0309 -0.1166)
OKLCH	oklch(56.43% 0.121 255.2)
XYZ	xyz(17.7432, 17.9036, 49.5247)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177BB #BB8541

analogous

#41B4BB #4177BB #4841BB

triadic

#4177BB #BB4177 #77BB41

tetradic

#4177BB #BB41B4 #BB8541 #41BB48

square

#4177BB #BB41B4 #BB8541 #41BB48

split-complementary

#4177BB #BB4841 #B4BB41

monochromatic

#213D60 #315A8E #4177BB #6D97CC #9AB7DC

Accessibility & contrast

On white

4.58

#4177BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4177BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177BB

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177BB	#FFFFFF	#000000	##000000
##4177BB	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBE

Deuteranopia (green-blind)

#4870BA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4177bb;
/* rgb */ color: rgb(65, 119, 187);
/* oklch */ color: oklch(56.4% 0.121 255.2);

Tailwind

colors: {
  custom: {
    50: '#829dd0',
    500: '#4177bb',
    950: '#000000',
  },
}

SCSS

$custom: #4177bb;
$custom-light: #829dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4177bb",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 213.443,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56433,
    "c": 0.12064,
    "h": 255.2
  },
  "luminance": 0.17905
}

Semantic roles & 50–950 ramp

primary

#4177BB

secondary

#C8AF90

accent

#9C50D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4177BB

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

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