#4177CB#4177CB

#4177CB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.4% C 0.142 H 259.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4177CB
RGB	rgb(65, 119, 203)
HSL	hsl(217, 57%, 53%)
HSV	hsv(217, 68%, 80%)
CMYK	cmyk(68%, 41.4%, 0%, 20.4%)
CIE-LAB	lab(50.25, 9.61, -48.88)
CIE-LCH	lch(50.25, 49.82, 281.12°)
OKLab	oklab(57.39% -0.0272 -0.1395)
OKLCH	oklch(57.39% 0.142 259)
XYZ	xyz(19.5524, 18.6273, 59.0533)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177CB #CB9541

analogous

#41BCCB #4177CB #5041CB

triadic

#4177CB #CB4177 #77CB41

tetradic

#4177CB #CB41BC #CB9541 #41CB50

square

#4177CB #CB41BC #CB9541 #41CB50

split-complementary

#4177CB #CB5041 #BCCB41

monochromatic

#1F4072 #2C5BA2 #4177CB #7199D8 #A1BCE5

Accessibility & contrast

On white

4.44

#4177CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4177CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177CB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177CB	#FFFFFF	#000000	##000000
##4177CB	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507ECE

Deuteranopia (green-blind)

#3A72C9

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4177cb;
/* rgb */ color: rgb(65, 119, 203);
/* oklch */ color: oklch(57.4% 0.142 259.0);

Tailwind

colors: {
  custom: {
    50: '#849ddb',
    500: '#4177cb',
    950: '#000000',
  },
}

SCSS

$custom: #4177cb;
$custom-light: #849ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4177cb",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 203
  },
  "hsl": {
    "h": 216.522,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57391,
    "c": 0.14209,
    "h": 259
  },
  "luminance": 0.18629
}

Semantic roles & 50–950 ramp

primary

#4177CB

secondary

#D2BA96

accent

#A548E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4177CB

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

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