#4171D7#4171D7

#4171D7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.165 H 263.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4171D7
RGB	rgb(65, 113, 215)
HSL	hsl(221, 65%, 55%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(69.8%, 47.4%, 0%, 15.7%)
CIE-LAB	lab(49.30, 17.64, -57.23)
CIE-LCH	lch(49.30, 59.89, 287.13°)
OKLab	oklab(56.89% -0.0196 -0.1641)
OKLCH	oklch(56.89% 0.165 263.2)
XYZ	xyz(20.3465, 17.8383, 66.6476)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4171D7 #D7A741

analogous

#41BCD7 #4171D7 #5C41D7

triadic

#4171D7 #D74171 #71D741

tetradic

#4171D7 #D741BC #D7A741 #41D75C

square

#4171D7 #D741BC #D7A741 #41D75C

split-complementary

#4171D7 #D75C41 #BCD741

monochromatic

#1B3C82 #2654B5 #4171D7 #7497E2 #A6BDEC

Accessibility & contrast

On white

4.60

#4171D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4171D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4171D7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4171D7	#FFFFFF	#000000	##FFFFFF
##4171D7	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7DDB

Deuteranopia (green-blind)

#136FD5

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4171d7;
/* rgb */ color: rgb(65, 113, 215);
/* oklch */ color: oklch(56.9% 0.165 263.2);

Tailwind

colors: {
  custom: {
    50: '#8799e4',
    500: '#4171d7',
    950: '#000000',
  },
}

SCSS

$custom: #4171d7;
$custom-light: #8799e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4171d7",
  "rgb": {
    "r": 65,
    "g": 113,
    "b": 215
  },
  "hsl": {
    "h": 220.8,
    "s": 65.217,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56891,
    "c": 0.16525,
    "h": 263.2
  },
  "luminance": 0.1784
}

Semantic roles & 50–950 ramp

primary

#4171D7

secondary

#D9C59A

accent

#B240E8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #4171D7

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

Preview Lab → · Contrast checker → · Palette generator →