#4177CC#4177CC

#4177CC is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.5% C 0.143 H 259.2°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4177CC
RGB	rgb(65, 119, 204)
HSL	hsl(217, 58%, 53%)
HSV	hsv(217, 68%, 80%)
CMYK	cmyk(68.1%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.30, 9.96, -49.36)
CIE-LCH	lch(50.30, 50.36, 281.41°)
OKLab	oklab(57.45% -0.027 -0.1409)
OKLCH	oklch(57.45% 0.143 259.2)
XYZ	xyz(19.6720, 18.6751, 59.6830)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177CC #CC9641

analogous

#41BCCC #4177CC #5141CC

triadic

#4177CC #CC4177 #77CC41

tetradic

#4177CC #CC41BC #CC9641 #41CC51

square

#4177CC #CC41BC #CC9641 #41CC51

split-complementary

#4177CC #CC5141 #BCCC41

monochromatic

#1F4074 #2C5BA4 #4177CC #719AD9 #A1BCE6

Accessibility & contrast

On white

4.43

#4177CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4177CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177CC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177CC	#FFFFFF	#000000	##000000
##4177CC	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FCF

Deuteranopia (green-blind)

#3972CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4177cc;
/* rgb */ color: rgb(65, 119, 204);
/* oklch */ color: oklch(57.5% 0.143 259.2);

Tailwind

colors: {
  custom: {
    50: '#859ddc',
    500: '#4177cc',
    950: '#000000',
  },
}

SCSS

$custom: #4177cc;
$custom-light: #859ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4177cc",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 216.691,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57454,
    "c": 0.14343,
    "h": 259.2
  },
  "luminance": 0.18677
}

Semantic roles & 50–950 ramp

primary

#4177CC

secondary

#D3BB96

accent

#A547E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4177CC

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

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