#4177CE#4177CE

#4177CE is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.146 H 259.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4177CE
RGB	rgb(65, 119, 206)
HSL	hsl(217, 59%, 53%)
HSV	hsv(217, 68%, 81%)
CMYK	cmyk(68.4%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(50.42, 10.68, -50.32)
CIE-LCH	lch(50.42, 51.44, 281.98°)
OKLab	oklab(57.58% -0.0266 -0.1437)
OKLCH	oklch(57.58% 0.146 259.5)
XYZ	xyz(19.9134, 18.7717, 60.9544)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177CE #CE9841

analogous

#41BECE #4177CE #5141CE

triadic

#4177CE #CE4177 #77CE41

tetradic

#4177CE #CE41BE #CE9841 #41CE51

square

#4177CE #CE41BE #CE9841 #41CE51

split-complementary

#4177CE #CE5141 #BECE41

monochromatic

#1E4076 #2B5AA7 #4177CE #729ADB #A2BDE7

Accessibility & contrast

On white

4.42

#4177CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4177CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177CE

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177CE	#FFFFFF	#000000	##000000
##4177CE	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7FD1

Deuteranopia (green-blind)

#3672CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4177ce;
/* rgb */ color: rgb(65, 119, 206);
/* oklch */ color: oklch(57.6% 0.146 259.5);

Tailwind

colors: {
  custom: {
    50: '#859ddd',
    500: '#4177ce',
    950: '#000000',
  },
}

SCSS

$custom: #4177ce;
$custom-light: #859ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#4177ce",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 217.021,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57579,
    "c": 0.14612,
    "h": 259.5
  },
  "luminance": 0.18774
}

Semantic roles & 50–950 ramp

primary

#4177CE

secondary

#D4BD97

accent

#A646E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4177CE

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

Preview Lab → · Contrast checker → · Palette generator →