#4175CB#4175CB

#4175CB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.144 H 259.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4175CB
RGB	rgb(65, 117, 203)
HSL	hsl(217, 57%, 53%)
HSV	hsv(217, 68%, 80%)
CMYK	cmyk(68%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(49.69, 10.84, -49.78)
CIE-LCH	lch(49.69, 50.95, 282.29°)
OKLab	oklab(56.96% -0.0253 -0.1421)
OKLCH	oklch(56.96% 0.144 259.9)
XYZ	xyz(19.3169, 18.1562, 58.9748)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4175CB #CB9741

analogous

#41BACB #4175CB #5241CB

triadic

#4175CB #CB4175 #75CB41

tetradic

#4175CB #CB41BA #CB9741 #41CB52

square

#4175CB #CB41BA #CB9741 #41CB52

split-complementary

#4175CB #CB5241 #BACB41

monochromatic

#1F3F72 #2C59A2 #4175CB #7198D8 #A1BBE5

Accessibility & contrast

On white

4.53

#4175CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4175CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4175CB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4175CB	#FFFFFF	#000000	##000000
##4175CB	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCE

Deuteranopia (green-blind)

#3670C9

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4175cb;
/* rgb */ color: rgb(65, 117, 203);
/* oklch */ color: oklch(57.0% 0.144 259.9);

Tailwind

colors: {
  custom: {
    50: '#849cdb',
    500: '#4175cb',
    950: '#000000',
  },
}

SCSS

$custom: #4175cb;
$custom-light: #849cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4175cb",
  "rgb": {
    "r": 65,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 217.391,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56956,
    "c": 0.14436,
    "h": 259.9
  },
  "luminance": 0.18158
}

Semantic roles & 50–950 ramp

primary

#4175CB

secondary

#D2BB96

accent

#A748E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4175CB

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

Preview Lab → · Contrast checker → · Palette generator →