#4171CE#4171CE

#4171CE is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.3% C 0.153 H 262.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4171CE
RGB	rgb(65, 113, 206)
HSL	hsl(220, 59%, 53%)
HSV	hsv(220, 68%, 81%)
CMYK	cmyk(68.4%, 45.1%, 0%, 19.2%)
CIE-LAB	lab(48.75, 14.41, -52.99)
CIE-LCH	lch(48.75, 54.92, 285.21°)
OKLab	oklab(56.29% -0.021 -0.1516)
OKLCH	oklch(56.29% 0.153 262.1)
XYZ	xyz(19.2217, 17.3884, 60.7238)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4171CE #CE9E41

analogous

#41B8CE #4171CE #5741CE

triadic

#4171CE #CE4171 #71CE41

tetradic

#4171CE #CE41B8 #CE9E41 #41CE57

square

#4171CE #CE41B8 #CE9E41 #41CE57

split-complementary

#4171CE #CE5741 #B8CE41

monochromatic

#1E3C76 #2B55A7 #4171CE #7295DB #A2BAE7

Accessibility & contrast

On white

4.69

#4171CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4171CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4171CE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4171CE	#FFFFFF	#000000	##FFFFFF
##4171CE	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD2

Deuteranopia (green-blind)

#286ECC

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4171ce;
/* rgb */ color: rgb(65, 113, 206);
/* oklch */ color: oklch(56.3% 0.153 262.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4171ce",
  "rgb": {
    "r": 65,
    "g": 113,
    "b": 206
  },
  "hsl": {
    "h": 219.574,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56288,
    "c": 0.15308,
    "h": 262.1
  },
  "luminance": 0.1739
}

Semantic roles & 50–950 ramp

primary

#4171CE

secondary

#D4BF97

accent

#AD46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4171CE

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

Preview Lab → · Contrast checker → · Palette generator →