#4177EA#4177EA

#4177EA is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.4% C 0.183 H 263.1°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4177EA
RGB	rgb(65, 119, 234)
HSL	hsl(221, 80%, 59%)
HSV	hsv(221, 72%, 92%)
CMYK	cmyk(72.2%, 49.1%, 0%, 8.2%)
CIE-LAB	lab(52.12, 20.72, -63.38)
CIE-LCH	lch(52.12, 66.68, 288.11°)
OKLab	oklab(59.44% -0.0221 -0.1821)
OKLCH	oklch(59.44% 0.183 263.1)
XYZ	xyz(23.6228, 20.2554, 80.4907)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4177EA #EAB441

analogous

#41CCEA #4177EA #5F41EA

triadic

#4177EA #EA4177 #77EA41

tetradic

#4177EA #EA41CC #EAB441 #41EA5F

square

#4177EA #EA41CC #EAB441 #41EA5F

split-complementary

#4177EA #EA5F41 #CCEA41

monochromatic

#123F9F #1855D6 #4177EA #789EF0 #AFC6F6

Accessibility & contrast

On white

4.16

#4177EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4177EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4177EA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4177EA	#FFFFFF	#000000	##000000
##4177EA	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3385EE

Deuteranopia (green-blind)

#0075E8

Tritanopia (blue-blind)

#0092A5

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4177ea;
/* rgb */ color: rgb(65, 119, 234);
/* oklch */ color: oklch(59.4% 0.183 263.1);

Tailwind

colors: {
  custom: {
    50: '#8a9df1',
    500: '#4177ea',
    950: '#000000',
  },
}

SCSS

$custom: #4177ea;
$custom-light: #8a9df1;
$custom-dark: #000000;

JSON

{
  "hex": "#4177ea",
  "rgb": {
    "r": 65,
    "g": 119,
    "b": 234
  },
  "hsl": {
    "h": 220.828,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59438,
    "c": 0.18344,
    "h": 263.1
  },
  "luminance": 0.20258
}

Semantic roles & 50–950 ramp

primary

#4177EA

secondary

#E5CFA2

accent

#B731F7

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #4177EA

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

Preview Lab → · Contrast checker → · Palette generator →