#4181B2#4181B2

#4181B2 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.100 H 243.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4181B2
RGB	rgb(65, 129, 178)
HSL	hsl(206, 47%, 48%)
HSV	hsv(206, 63%, 70%)
CMYK	cmyk(63.5%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.88, -5.11, -31.97)
CIE-LCH	lch(51.88, 32.38, 260.91°)
OKLab	oklab(58.25% -0.0441 -0.09)
OKLCH	oklch(58.25% 0.1 243.9)
XYZ	xyz(18.0631, 20.0369, 45.0264)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181B2 #B27241

analogous

#41B2AB #4181B2 #4148B2

triadic

#4181B2 #B24181 #81B241

tetradic

#4181B2 #AB41B2 #B27241 #48B241

square

#4181B2 #AB41B2 #B27241 #48B241

split-complementary

#4181B2 #B24148 #B2AB41

monochromatic

#204058 #316185 #4181B2 #689EC8 #95BBD8

Accessibility & contrast

On white

4.19

#4181B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4181B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181B2

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181B2	#FFFFFF	#000000	##000000
##4181B2	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B4

Deuteranopia (green-blind)

#5C77B1

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4181b2;
/* rgb */ color: rgb(65, 129, 178);
/* oklch */ color: oklch(58.3% 0.100 243.9);

Tailwind

colors: {
  custom: {
    50: '#80a5c9',
    500: '#4181b2',
    950: '#000000',
  },
}

SCSS

$custom: #4181b2;
$custom-light: #80a5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4181b2",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 206.018,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.58252,
    "c": 0.10022,
    "h": 243.9
  },
  "luminance": 0.20039
}

Semantic roles & 50–950 ramp

primary

#4181B2

secondary

#C4A48B

accent

#8B52D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4181B2

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

Preview Lab → · Contrast checker → · Palette generator →