#4177DB#4177DB

#4177DB is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.4% C 0.164 H 261.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4177DB
RGB	rgb(65, 119, 219)
HSL	hsl(219, 68%, 56%)
HSV	hsv(219, 70%, 86%)
CMYK	cmyk(70.3%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(51.19, 15.33, -56.46)
CIE-LCH	lch(51.19, 58.51, 285.19°)
OKLab	oklab(58.42% -0.0242 -0.1617)
OKLCH	oklch(58.42% 0.164 261.5)
XYZ	xyz(21.5584, 19.4297, 69.6182)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177DB #DBA541

analogous

#41C4DB #4177DB #5841DB

triadic

#4177DB #DB4177 #77DB41

tetradic

#4177DB #DB41C4 #DBA541 #41DB58

square

#4177DB #DB41C4 #DBA541 #41DB58

split-complementary

#4177DB #DB5841 #C4DB41

monochromatic

#1A4088 #2359BB #4177DB #749CE5 #A8C1EE

Accessibility & contrast

On white

4.30

#4177DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4177DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177DB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177DB	#FFFFFF	#000000	##000000
##4177DB	1.00	4.30	4.89	4.89
#FFFFFF	4.30	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)

#4482DF

Deuteranopia (green-blind)

#2373D9

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4177db;
/* rgb */ color: rgb(65, 119, 219);
/* oklch */ color: oklch(58.4% 0.164 261.5);

Tailwind

colors: {
  custom: {
    50: '#879de7',
    500: '#4177db',
    950: '#000000',
  },
}

SCSS

$custom: #4177db;
$custom-light: #879de7;
$custom-dark: #000000;

JSON

{
  "hex": "#4177db",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 218.961,
    "s": 68.142,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58418,
    "c": 0.16355,
    "h": 261.5
  },
  "luminance": 0.19432
}

Semantic roles & 50–950 ramp

primary

#4177DB

secondary

#DCC59C

accent

#AE3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4177DB

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

Preview Lab → · Contrast checker → · Palette generator →