#4170DB#4170DB

#4170DB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.0% C 0.172 H 263.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4170DB
RGB	rgb(65, 112, 219)
HSL	hsl(222, 68%, 56%)
HSV	hsv(222, 70%, 86%)
CMYK	cmyk(70.3%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(49.28, 19.70, -59.52)
CIE-LCH	lch(49.28, 62.70, 288.32°)
OKLab	oklab(56.96% -0.0182 -0.1709)
OKLCH	oklch(56.96% 0.172 263.9)
XYZ	xyz(20.7558, 17.8245, 69.3507)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4170DB #DBAC41

analogous

#41BDDB #4170DB #5F41DB

triadic

#4170DB #DB4170 #70DB41

tetradic

#4170DB #DB41BD #DBAC41 #41DB5F

square

#4170DB #DB41BD #DBAC41 #41DB5F

split-complementary

#4170DB #DB5F41 #BDDB41

monochromatic

#1A3B88 #2352BB #4170DB #7497E5 #A8BDEE

Accessibility & contrast

On white

4.60

#4170DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4170DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4170DB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4170DB	#FFFFFF	#000000	##FFFFFF
##4170DB	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)

#337DDF

Deuteranopia (green-blind)

#006ED9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4170db;
/* rgb */ color: rgb(65, 112, 219);
/* oklch */ color: oklch(57.0% 0.172 263.9);

Tailwind

colors: {
  custom: {
    50: '#8898e7',
    500: '#4170db',
    950: '#000000',
  },
}

SCSS

$custom: #4170db;
$custom-light: #8898e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4170db",
  "rgb": {
    "r": 65,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 221.688,
    "s": 68.142,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5696,
    "c": 0.17182,
    "h": 263.9
  },
  "luminance": 0.17827
}

Semantic roles & 50–950 ramp

primary

#4170DB

secondary

#DCC89C

accent

#B63DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4170DB

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

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