#4183AA#4183AA

#4183AA is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.3% C 0.090 H 237.0°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4183AA
RGB	rgb(65, 131, 170)
HSL	hsl(202, 45%, 46%)
HSV	hsv(202, 62%, 67%)
CMYK	cmyk(61.8%, 22.9%, 0%, 33.3%)
CIE-LAB	lab(52.13, -8.93, -26.97)
CIE-LCH	lch(52.13, 28.41, 251.67°)
OKLab	oklab(58.33% -0.049 -0.0756)
OKLCH	oklch(58.33% 0.09 237)
XYZ	xyz(17.5492, 20.2570, 41.0076)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4183AA #AA6841

analogous

#41AA9C #4183AA #414EAA

triadic

#4183AA #AA4183 #83AA41

tetradic

#4183AA #9C41AA #AA6841 #4EAA41

square

#4183AA #9C41AA #AA6841 #4EAA41

split-complementary

#4183AA #AA414E #AA9C41

monochromatic

#1F3F51 #30617E #4183AA #64A0C4 #91BBD5

Accessibility & contrast

On white

4.16

#4183AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4183AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4183AA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4183AA	#FFFFFF	#000000	##000000
##4183AA	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)

#7182AC

Deuteranopia (green-blind)

#6278A9

Tritanopia (blue-blind)

#008D90

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4183aa;
/* rgb */ color: rgb(65, 131, 170);
/* oklch */ color: oklch(58.3% 0.090 237.0);

Tailwind

colors: {
  custom: {
    50: '#7fa7c3',
    500: '#4183aa',
    950: '#000000',
  },
}

SCSS

$custom: #4183aa;
$custom-light: #7fa7c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4183aa",
  "rgb": {
    "r": 65,
    "g": 131,
    "b": 170
  },
  "hsl": {
    "h": 202.286,
    "s": 44.681,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58332,
    "c": 0.09007,
    "h": 237
  },
  "luminance": 0.20259
}

Semantic roles & 50–950 ramp

primary

#4183AA

secondary

#C09C87

accent

#8353D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4183AA

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

Preview Lab → · Contrast checker → · Palette generator →