#4177D9#4177D9

#4177D9 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.3% C 0.161 H 261.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4177D9
RGB	rgb(65, 119, 217)
HSL	hsl(219, 67%, 55%)
HSV	hsv(219, 70%, 85%)
CMYK	cmyk(70%, 45.2%, 0%, 14.9%)
CIE-LAB	lab(51.07, 14.61, -55.53)
CIE-LCH	lch(51.07, 57.42, 284.75°)
OKLab	oklab(58.29% -0.0246 -0.159)
OKLCH	oklch(58.29% 0.161 261.2)
XYZ	xyz(21.2967, 19.3250, 68.2399)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177D9 #D9A341

analogous

#41C3D9 #4177D9 #5741D9

triadic

#4177D9 #D94177 #77D941

tetradic

#4177D9 #D941C3 #D9A341 #41D957

square

#4177D9 #D941C3 #D9A341 #41D957

split-complementary

#4177D9 #D95741 #C3D941

monochromatic

#1B4085 #2559B8 #4177D9 #749CE3 #A7C0ED

Accessibility & contrast

On white

4.32

#4177D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4177D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177D9

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177D9	#FFFFFF	#000000	##000000
##4177D9	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4581DD

Deuteranopia (green-blind)

#2773D7

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4177d9;
/* rgb */ color: rgb(65, 119, 217);
/* oklch */ color: oklch(58.3% 0.161 261.2);

Tailwind

colors: {
  custom: {
    50: '#879de5',
    500: '#4177d9',
    950: '#000000',
  },
}

SCSS

$custom: #4177d9;
$custom-light: #879de5;
$custom-dark: #000000;

JSON

{
  "hex": "#4177d9",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 217
  },
  "hsl": {
    "h": 218.684,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58286,
    "c": 0.16087,
    "h": 261.2
  },
  "luminance": 0.19327
}

Semantic roles & 50–950 ramp

primary

#4177D9

secondary

#DBC49B

accent

#AD3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4177D9

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

Preview Lab → · Contrast checker → · Palette generator →