#4181CE#4181CE

#4181CE is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.8% C 0.135 H 254.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#4181CE
RGB	rgb(65, 129, 206)
HSL	hsl(213, 59%, 53%)
HSV	hsv(213, 68%, 81%)
CMYK	cmyk(68.4%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(53.25, 4.57, -45.81)
CIE-LCH	lch(53.25, 46.03, 275.69°)
OKLab	oklab(59.78% -0.0362 -0.1303)
OKLCH	oklch(59.78% 0.135 254.5)
XYZ	xyz(21.1667, 21.2784, 61.3722)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181CE #CE8E41

analogous

#41C7CE #4181CE #4741CE

triadic

#4181CE #CE4181 #81CE41

tetradic

#4181CE #CE41C7 #CE8E41 #41CE47

square

#4181CE #CE41C7 #CE8E41 #41CE47

split-complementary

#4181CE #CE4741 #C7CE41

monochromatic

#1E4676 #2B63A7 #4181CE #72A1DB #A2C2E7

Accessibility & contrast

On white

4.00

#4181CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#4181CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181CE

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181CE	#FFFFFF	#000000	##000000
##4181CE	1.00	4.00	5.26	5.26
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E86D1

Deuteranopia (green-blind)

#4A79CC

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4181ce;
/* rgb */ color: rgb(65, 129, 206);
/* oklch */ color: oklch(59.8% 0.135 254.5);

Tailwind

colors: {
  custom: {
    50: '#85a5dd',
    500: '#4181ce',
    950: '#000000',
  },
}

SCSS

$custom: #4181ce;
$custom-light: #85a5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4181ce",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 212.766,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59781,
    "c": 0.13522,
    "h": 254.5
  },
  "luminance": 0.21281
}

Semantic roles & 50–950 ramp

primary

#4181CE

secondary

#D4B897

accent

#9B46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4181CE

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

Preview Lab → · Contrast checker → · Palette generator →