#4175CF#4175CF

#4175CF is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.2% C 0.150 H 260.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4175CF
RGB	rgb(65, 117, 207)
HSL	hsl(218, 60%, 53%)
HSV	hsv(218, 69%, 81%)
CMYK	cmyk(68.6%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(49.92, 12.27, -51.69)
CIE-LCH	lch(49.92, 53.13, 283.36°)
OKLab	oklab(57.21% -0.0245 -0.1477)
OKLCH	oklch(57.21% 0.15 260.6)
XYZ	xyz(19.7997, 18.3494, 61.5177)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4175CF #CF9B41

analogous

#41BCCF #4175CF #5441CF

triadic

#4175CF #CF4175 #75CF41

tetradic

#4175CF #CF41BC #CF9B41 #41CF54

square

#4175CF #CF41BC #CF9B41 #41CF54

split-complementary

#4175CF #CF5441 #BCCF41

monochromatic

#1E3F77 #2B59A8 #4175CF #7298DB #A3BCE8

Accessibility & contrast

On white

4.50

#4175CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4175CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4175CF

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4175CF	#FFFFFF	#000000	##000000
##4175CF	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ED2

Deuteranopia (green-blind)

#3171CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4175cf;
/* rgb */ color: rgb(65, 117, 207);
/* oklch */ color: oklch(57.2% 0.150 260.6);

Tailwind

colors: {
  custom: {
    50: '#859cde',
    500: '#4175cf',
    950: '#000000',
  },
}

SCSS

$custom: #4175cf;
$custom-light: #859cde;
$custom-dark: #000000;

JSON

{
  "hex": "#4175cf",
  "rgb": {
    "r": 65,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 218.028,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.14976,
    "h": 260.6
  },
  "luminance": 0.18351
}

Semantic roles & 50–950 ramp

primary

#4175CF

secondary

#D4BE97

accent

#A945E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4175CF

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

Preview Lab → · Contrast checker → · Palette generator →