#4181B7#4181B7

#4181B7 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.5% C 0.106 H 246.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4181B7
RGB	rgb(65, 129, 183)
HSL	hsl(207, 48%, 49%)
HSV	hsv(207, 64%, 72%)
CMYK	cmyk(64.5%, 29.5%, 0%, 28.2%)
CIE-LAB	lab(52.11, -3.42, -34.49)
CIE-LCH	lch(52.11, 34.66, 264.34°)
OKLab	oklab(58.51% -0.0425 -0.0973)
OKLCH	oklch(58.51% 0.106 246.4)
XYZ	xyz(18.5743, 20.2414, 47.7187)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4181B7 #B77741

analogous

#41B7B2 #4181B7 #4146B7

triadic

#4181B7 #B74181 #81B741

tetradic

#4181B7 #B241B7 #B77741 #46B741

square

#4181B7 #B241B7 #B77741 #46B741

split-complementary

#4181B7 #B74146 #B7B241

monochromatic

#21415D #31618A #4181B7 #6B9FCA #98BCDA

Accessibility & contrast

On white

4.16

#4181B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4181B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181B7

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4181B7	#FFFFFF	#000000	##000000
##4181B7	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6983B9

Deuteranopia (green-blind)

#5977B6

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4181b7;
/* rgb */ color: rgb(65, 129, 183);
/* oklch */ color: oklch(58.5% 0.106 246.4);

Tailwind

colors: {
  custom: {
    50: '#81a5cd',
    500: '#4181b7',
    950: '#000000',
  },
}

SCSS

$custom: #4181b7;
$custom-light: #81a5cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4181b7",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 183
  },
  "hsl": {
    "h": 207.458,
    "s": 47.581,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58509,
    "c": 0.10617,
    "h": 246.4
  },
  "luminance": 0.20243
}

Semantic roles & 50–950 ramp

primary

#4181B7

secondary

#C6A78E

accent

#8E51D7

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4181B7

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

Preview Lab → · Contrast checker → · Palette generator →