#4180BF#4180BF

#4180BF is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.117 H 250.5°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#4180BF
RGB	rgb(65, 128, 191)
HSL	hsl(210, 50%, 50%)
HSV	hsv(210, 66%, 75%)
CMYK	cmyk(66%, 33%, 0%, 25.1%)
CIE-LAB	lab(52.20, -0.08, -38.93)
CIE-LCH	lch(52.20, 38.93, 269.88°)
OKLab	oklab(58.71% -0.0391 -0.1102)
OKLCH	oklch(58.71% 0.117 250.5)
XYZ	xyz(19.2996, 20.3218, 52.1855)
Luminance	0.2032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4180BF #BF8041

analogous

#41BFBF #4180BF #4141BF

triadic

#4180BF #BF4180 #80BF41

tetradic

#4180BF #BF41BF #BF8041 #41BF41

square

#4180BF #BF41BF #BF8041 #41BF41

split-complementary

#4180BF #BF4141 #BFBF41

monochromatic

#224364 #316192 #4180BF #6F9FCE #9DBDDE

Accessibility & contrast

On white

4.15

#4180BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#4180BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180BF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4180BF	#FFFFFF	#000000	##000000
##4180BF	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)

#6483C2

Deuteranopia (green-blind)

#5377BE

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4180bf;
/* rgb */ color: rgb(65, 128, 191);
/* oklch */ color: oklch(58.7% 0.117 250.5);

Tailwind

colors: {
  custom: {
    50: '#82a4d2',
    500: '#4180bf',
    950: '#000000',
  },
}

SCSS

$custom: #4180bf;
$custom-light: #82a4d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4180bf",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 191
  },
  "hsl": {
    "h": 210,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58706,
    "c": 0.11696,
    "h": 250.5
  },
  "luminance": 0.20324
}

Semantic roles & 50–950 ramp

primary

#4180BF

secondary

#CAAE92

accent

#944FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4180BF

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

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