#4175BF#4175BF

#4175BF is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.2% C 0.128 H 257.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4175BF
RGB	rgb(65, 117, 191)
HSL	hsl(215, 50%, 50%)
HSV	hsv(215, 66%, 75%)
CMYK	cmyk(66%, 38.7%, 0%, 25.1%)
CIE-LAB	lab(49.01, 6.59, -43.97)
CIE-LCH	lch(49.01, 44.46, 278.52°)
OKLab	oklab(56.22% -0.0279 -0.1251)
OKLCH	oklch(56.22% 0.128 257.4)
XYZ	xyz(17.9418, 17.6062, 51.7329)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4175BF #BF8B41

analogous

#41B4BF #4175BF #4C41BF

triadic

#4175BF #BF4175 #75BF41

tetradic

#4175BF #BF41B4 #BF8B41 #41BF4C

square

#4175BF #BF41B4 #BF8B41 #41BF4C

split-complementary

#4175BF #BF4C41 #B4BF41

monochromatic

#223D64 #315992 #4175BF #6F96CE #9DB8DE

Accessibility & contrast

On white

4.64

#4175BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4175BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4175BF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4175BF	#FFFFFF	#000000	##FFFFFF
##4175BF	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547BC2

Deuteranopia (green-blind)

#426FBD

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4175bf;
/* rgb */ color: rgb(65, 117, 191);
/* oklch */ color: oklch(56.2% 0.128 257.4);

Tailwind

colors: {
  custom: {
    50: '#829cd3',
    500: '#4175bf',
    950: '#000000',
  },
}

SCSS

$custom: #4175bf;
$custom-light: #829cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4175bf",
  "rgb": {
    "r": 65,
    "g": 117,
    "b": 191
  },
  "hsl": {
    "h": 215.238,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56218,
    "c": 0.12815,
    "h": 257.4
  },
  "luminance": 0.17608
}

Semantic roles & 50–950 ramp

primary

#4175BF

secondary

#CAB392

accent

#A04FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4175BF

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

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