#4179D2#4179D2

#4179D2 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.149 H 259.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4179D2
RGB	rgb(65, 121, 210)
HSL	hsl(217, 62%, 54%)
HSV	hsv(217, 69%, 82%)
CMYK	cmyk(69%, 42.4%, 0%, 17.6%)
CIE-LAB	lab(51.21, 10.87, -51.33)
CIE-LCH	lch(51.21, 52.47, 281.96°)
OKLab	oklab(58.26% -0.0277 -0.1466)
OKLCH	oklch(58.26% 0.149 259.3)
XYZ	xyz(20.6460, 19.4496, 63.6263)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4179D2 #D29A41

analogous

#41C1D2 #4179D2 #5241D2

triadic

#4179D2 #D24179 #79D241

tetradic

#4179D2 #D241C1 #D29A41 #41D252

square

#4179D2 #D241C1 #D29A41 #41D252

split-complementary

#4179D2 #D25241 #C1D241

monochromatic

#1D427B #295CAD #4179D2 #729CDE #A4BFE9

Accessibility & contrast

On white

4.29

#4179D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4179D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4179D2

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4179D2	#FFFFFF	#000000	##000000
##4179D2	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F81D5

Deuteranopia (green-blind)

#3674D0

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4179d2;
/* rgb */ color: rgb(65, 121, 210);
/* oklch */ color: oklch(58.3% 0.149 259.3);

Tailwind

colors: {
  custom: {
    50: '#869fe0',
    500: '#4179d2',
    950: '#000000',
  },
}

SCSS

$custom: #4179d2;
$custom-light: #869fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#4179d2",
  "rgb": {
    "r": 65,
    "g": 121,
    "b": 210
  },
  "hsl": {
    "h": 216.828,
    "s": 61.702,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58264,
    "c": 0.14921,
    "h": 259.3
  },
  "luminance": 0.19452
}

Semantic roles & 50–950 ramp

primary

#4179D2

secondary

#D6BE98

accent

#A643E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4179D2

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

Preview Lab → · Contrast checker → · Palette generator →