#4171CD#4171CD

#4171CD is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.152 H 262.0°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4171CD
RGB	rgb(65, 113, 205)
HSL	hsl(219, 58%, 53%)
HSV	hsv(219, 68%, 80%)
CMYK	cmyk(68.3%, 44.9%, 0%, 19.6%)
CIE-LAB	lab(48.69, 14.05, -52.52)
CIE-LCH	lch(48.69, 54.37, 284.98°)
OKLab	oklab(56.22% -0.0211 -0.1502)
OKLCH	oklch(56.22% 0.152 262)
XYZ	xyz(19.1006, 17.3399, 60.0861)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4171CD #CD9D41

analogous

#41B7CD #4171CD #5741CD

triadic

#4171CD #CD4171 #71CD41

tetradic

#4171CD #CD41B7 #CD9D41 #41CD57

square

#4171CD #CD41B7 #CD9D41 #41CD57

split-complementary

#4171CD #CD5741 #B7CD41

monochromatic

#1F3C75 #2C55A5 #4171CD #7195DA #A2B9E6

Accessibility & contrast

On white

4.70

#4171CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4171CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4171CD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4171CD	#FFFFFF	#000000	##FFFFFF
##4171CD	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD0

Deuteranopia (green-blind)

#296ECB

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4171cd;
/* rgb */ color: rgb(65, 113, 205);
/* oklch */ color: oklch(56.2% 0.152 262.0);

Tailwind

colors: {
  custom: {
    50: '#8599dd',
    500: '#4171cd',
    950: '#000000',
  },
}

SCSS

$custom: #4171cd;
$custom-light: #8599dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4171cd",
  "rgb": {
    "r": 65,
    "g": 113,
    "b": 205
  },
  "hsl": {
    "h": 219.429,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56223,
    "c": 0.15172,
    "h": 262
  },
  "luminance": 0.17342
}

Semantic roles & 50–950 ramp

primary

#4171CD

secondary

#D3BE97

accent

#AC46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4171CD

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

Preview Lab → · Contrast checker → · Palette generator →