#4182CB#4182CB

#4182CB is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.8% C 0.130 H 253.1°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4182CB
RGB	rgb(65, 130, 203)
HSL	hsl(212, 57%, 53%)
HSV	hsv(212, 68%, 80%)
CMYK	cmyk(68%, 36%, 0%, 20.4%)
CIE-LAB	lab(53.38, 2.91, -43.90)
CIE-LCH	lch(53.38, 44.00, 273.79°)
OKLab	oklab(59.83% -0.0379 -0.1247)
OKLCH	oklch(59.83% 0.13 253.1)
XYZ	xyz(20.9381, 21.3987, 59.5152)
Luminance	0.2140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182CB #CB8A41

analogous

#41C7CB #4182CB #4541CB

triadic

#4182CB #CB4182 #82CB41

tetradic

#4182CB #CB41C7 #CB8A41 #41CB45

square

#4182CB #CB41C7 #CB8A41 #41CB45

split-complementary

#4182CB #CB4541 #C7CB41

monochromatic

#1F4672 #2C64A2 #4182CB #71A2D8 #A1C1E5

Accessibility & contrast

On white

3.98

#4182CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#4182CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182CB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182CB	#FFFFFF	#000000	##000000
##4182CB	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CE

Deuteranopia (green-blind)

#4E7ACA

Tritanopia (blue-blind)

#00939D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4182cb;
/* rgb */ color: rgb(65, 130, 203);
/* oklch */ color: oklch(59.8% 0.130 253.1);

Tailwind

colors: {
  custom: {
    50: '#84a5db',
    500: '#4182cb',
    950: '#000000',
  },
}

SCSS

$custom: #4182cb;
$custom-light: #84a5db;
$custom-dark: #000000;

JSON

{
  "hex": "#4182cb",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 203
  },
  "hsl": {
    "h": 211.739,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59831,
    "c": 0.13034,
    "h": 253.1
  },
  "luminance": 0.21401
}

Semantic roles & 50–950 ramp

primary

#4182CB

secondary

#D2B696

accent

#9848E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4182CB

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

Preview Lab → · Contrast checker → · Palette generator →