#4179DB#4179DB

#4179DB is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.161 H 260.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4179DB
RGB	rgb(65, 121, 219)
HSL	hsl(218, 68%, 56%)
HSV	hsv(218, 70%, 86%)
CMYK	cmyk(70.3%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(51.74, 14.09, -55.58)
CIE-LCH	lch(51.74, 57.34, 284.23°)
OKLab	oklab(58.84% -0.026 -0.1591)
OKLCH	oklch(58.84% 0.161 260.7)
XYZ	xyz(21.7989, 19.9107, 69.6984)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179DB #DBA341

analogous

#41C6DB #4179DB #5641DB

triadic

#4179DB #DB4179 #79DB41

tetradic

#4179DB #DB41C6 #DBA341 #41DB56

square

#4179DB #DB41C6 #DBA341 #41DB56

split-complementary

#4179DB #DB5641 #C6DB41

monochromatic

#1A4288 #235BBB #4179DB #749DE5 #A8C2EE

Accessibility & contrast

On white

4.21

#4179DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#4179DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179DB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179DB	#FFFFFF	#000000	##000000
##4179DB	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4883DF

Deuteranopia (green-blind)

#2975D9

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4179db;
/* rgb */ color: rgb(65, 121, 219);
/* oklch */ color: oklch(58.8% 0.161 260.7);

Tailwind

colors: {
  custom: {
    50: '#879fe7',
    500: '#4179db',
    950: '#000000',
  },
}

SCSS

$custom: #4179db;
$custom-light: #879fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4179db",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 218.182,
    "s": 68.142,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58841,
    "c": 0.16122,
    "h": 260.7
  },
  "luminance": 0.19913
}

Semantic roles & 50–950 ramp

primary

#4179DB

secondary

#DCC59C

accent

#AC3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4179DB

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

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