#4177D1#4177D1

#4177D1 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.150 H 260.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4177D1
RGB	rgb(65, 119, 209)
HSL	hsl(218, 61%, 54%)
HSV	hsv(218, 69%, 82%)
CMYK	cmyk(68.9%, 43.1%, 0%, 18%)
CIE-LAB	lab(50.59, 11.75, -51.75)
CIE-LCH	lch(50.59, 53.06, 282.79°)
OKLab	oklab(57.77% -0.026 -0.1479)
OKLCH	oklch(57.77% 0.15 260)
XYZ	xyz(20.2813, 18.9188, 62.8921)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177D1 #D19B41

analogous

#41BFD1 #4177D1 #5341D1

triadic

#4177D1 #D14177 #77D141

tetradic

#4177D1 #D141BF #D19B41 #41D153

square

#4177D1 #D141BF #D19B41 #41D153

split-complementary

#4177D1 #D15341 #BFD141

monochromatic

#1E407A #295AAB #4177D1 #729ADD #A4BEE9

Accessibility & contrast

On white

4.39

#4177D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#4177D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177D1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177D1	#FFFFFF	#000000	##000000
##4177D1	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C80D4

Deuteranopia (green-blind)

#3372CF

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4177d1;
/* rgb */ color: rgb(65, 119, 209);
/* oklch */ color: oklch(57.8% 0.150 260.0);

Tailwind

colors: {
  custom: {
    50: '#859ddf',
    500: '#4177d1',
    950: '#000000',
  },
}

SCSS

$custom: #4177d1;
$custom-light: #859ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#4177d1",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 209
  },
  "hsl": {
    "h": 217.5,
    "s": 61.017,
    "l": 53.725
  },
  "oklch": {
    "l": 0.57769,
    "c": 0.15015,
    "h": 260
  },
  "luminance": 0.18921
}

Semantic roles & 50–950 ramp

primary

#4177D1

secondary

#D6BF98

accent

#A844E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4177D1

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

Preview Lab → · Contrast checker → · Palette generator →