#4181B8#4181B8

#4181B8 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.107 H 246.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4181B8
RGB	rgb(65, 129, 184)
HSL	hsl(208, 48%, 49%)
HSV	hsv(208, 65%, 72%)
CMYK	cmyk(64.7%, 29.9%, 0%, 27.8%)
CIE-LAB	lab(52.16, -3.08, -34.99)
CIE-LCH	lch(52.16, 35.12, 264.97°)
OKLab	oklab(58.56% -0.0422 -0.0987)
OKLCH	oklch(58.56% 0.107 246.9)
XYZ	xyz(18.6787, 20.2832, 48.2688)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181B8 #B87841

analogous

#41B8B4 #4181B8 #4146B8

triadic

#4181B8 #B84181 #81B841

tetradic

#4181B8 #B441B8 #B87841 #46B841

square

#4181B8 #B441B8 #B87841 #46B841

split-complementary

#4181B8 #B84146 #B8B441

monochromatic

#21425E #31618B #4181B8 #6B9FCB #99BCDB

Accessibility & contrast

On white

4.15

#4181B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#4181B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181B8

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181B8	#FFFFFF	#000000	##000000
##4181B8	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6983BA

Deuteranopia (green-blind)

#5977B7

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4181b8;
/* rgb */ color: rgb(65, 129, 184);
/* oklch */ color: oklch(58.6% 0.107 246.9);

Tailwind

colors: {
  custom: {
    50: '#81a5cd',
    500: '#4181b8',
    950: '#000000',
  },
}

SCSS

$custom: #4181b8;
$custom-light: #81a5cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4181b8",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 184
  },
  "hsl": {
    "h": 207.731,
    "s": 47.791,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58562,
    "c": 0.10738,
    "h": 246.9
  },
  "luminance": 0.20285
}

Semantic roles & 50–950 ramp

primary

#4181B8

secondary

#C7A88E

accent

#8F50D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4181B8

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

Preview Lab → · Contrast checker → · Palette generator →