#4183AC#4183AC

#4183AC is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.092 H 238.4°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#4183AC
RGB	rgb(65, 131, 172)
HSL	hsl(203, 45%, 46%)
HSV	hsv(203, 62%, 67%)
CMYK	cmyk(62.2%, 23.8%, 0%, 32.5%)
CIE-LAB	lab(52.21, -8.28, -27.99)
CIE-LCH	lch(52.21, 29.19, 253.53°)
OKLab	oklab(58.43% -0.0483 -0.0785)
OKLCH	oklch(58.43% 0.092 238.4)
XYZ	xyz(17.7398, 20.3332, 42.0115)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183AC #AC6A41

analogous

#41ACA0 #4183AC #414DAC

triadic

#4183AC #AC4183 #83AC41

tetradic

#4183AC #A041AC #AC6A41 #4DAC41

square

#4183AC #A041AC #AC6A41 #4DAC41

split-complementary

#4183AC #AC414D #ACA041

monochromatic

#1F3F53 #306180 #4183AC #65A0C5 #92BCD6

Accessibility & contrast

On white

4.14

#4183AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#4183AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183AC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183AC	#FFFFFF	#000000	##000000
##4183AC	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7083AE

Deuteranopia (green-blind)

#6178AB

Tritanopia (blue-blind)

#008D91

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4183ac;
/* rgb */ color: rgb(65, 131, 172);
/* oklch */ color: oklch(58.4% 0.092 238.4);

Tailwind

colors: {
  custom: {
    50: '#80a7c5',
    500: '#4183ac',
    950: '#000000',
  },
}

SCSS

$custom: #4183ac;
$custom-light: #80a7c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4183ac",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 172
  },
  "hsl": {
    "h": 202.991,
    "s": 45.148,
    "l": 46.471
  },
  "oklch": {
    "l": 0.58428,
    "c": 0.09218,
    "h": 238.4
  },
  "luminance": 0.20335
}

Semantic roles & 50–950 ramp

primary

#4183AC

secondary

#C19E88

accent

#8553D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4183AC

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

Preview Lab → · Contrast checker → · Palette generator →