#4180E0#4180E0

#4180E0 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.7% C 0.160 H 258.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4180E0
RGB	rgb(65, 128, 224)
HSL	hsl(216, 72%, 57%)
HSV	hsv(216, 71%, 88%)
CMYK	cmyk(71%, 42.9%, 0%, 12.2%)
CIE-LAB	lab(53.96, 11.57, -54.82)
CIE-LCH	lch(53.96, 56.03, 281.92°)
OKLab	oklab(60.66% -0.0313 -0.1568)
OKLCH	oklch(60.66% 0.16 258.7)
XYZ	xyz(23.3488, 21.9415, 73.5112)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180E0 #E0A141

analogous

#41D0E0 #4180E0 #5141E0

triadic

#4180E0 #E04180 #80E041

tetradic

#4180E0 #E041D0 #E0A141 #41E051

square

#4180E0 #E041D0 #E0A141 #41E051

split-complementary

#4180E0 #E05141 #D0E041

monochromatic

#17478F #2061C4 #4180E0 #76A3E9 #AAC6F1

Accessibility & contrast

On white

3.90

#4180E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#4180E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180E0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180E0	#FFFFFF	#000000	##000000
##4180E0	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5189E4

Deuteranopia (green-blind)

#357ADE

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4180e0;
/* rgb */ color: rgb(65, 128, 224);
/* oklch */ color: oklch(60.7% 0.160 258.7);

Tailwind

colors: {
  custom: {
    50: '#88a4ea',
    500: '#4180e0',
    950: '#000000',
  },
}

SCSS

$custom: #4180e0;
$custom-light: #88a4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4180e0",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 224
  },
  "hsl": {
    "h": 216.226,
    "s": 71.946,
    "l": 56.667
  },
  "oklch": {
    "l": 0.60656,
    "c": 0.15987,
    "h": 258.7
  },
  "luminance": 0.21944
}

Semantic roles & 50–950 ramp

primary

#4180E0

secondary

#DFC59E

accent

#A739EF

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4180E0

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

Preview Lab → · Contrast checker → · Palette generator →