#4091AC#4091AC

#4091AC is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.088 H 223.0°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4091AC
RGB	rgb(64, 145, 172)
HSL	hsl(195, 46%, 46%)
HSV	hsv(195, 63%, 67%)
CMYK	cmyk(62.8%, 15.7%, 0%, 32.5%)
CIE-LAB	lab(56.40, -16.27, -21.53)
CIE-LCH	lch(56.40, 26.99, 232.93°)
OKLab	oklab(61.76% -0.0644 -0.06)
OKLCH	oklch(61.76% 0.088 223)
XYZ	xyz(19.6832, 24.3173, 42.6781)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091AC #AC5B40

analogous

#40AC91 #4091AC #405BAC

triadic

#4091AC #AC4091 #91AC40

tetradic

#4091AC #9140AC #AC5B40 #5BAC40

square

#4091AC #9140AC #AC5B40 #5BAC40

split-complementary

#4091AC #AC405B #AC9140

monochromatic

#1F4653 #2F6B7F #4091AC #64ADC5 #91C5D6

Accessibility & contrast

On white

3.58

#4091AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#4091AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091AC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091AC	#FFFFFF	#000000	##000000
##4091AC	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818EAD

Deuteranopia (green-blind)

#7282AC

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4091ac;
/* rgb */ color: rgb(64, 145, 172);
/* oklch */ color: oklch(61.8% 0.088 223.0);

Tailwind

colors: {
  custom: {
    50: '#80b1c4',
    500: '#4091ac',
    950: '#000000',
  },
}

SCSS

$custom: #4091ac;
$custom-light: #80b1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4091ac",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 172
  },
  "hsl": {
    "h": 195,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.61757,
    "c": 0.08799,
    "h": 223
  },
  "luminance": 0.24319
}

Semantic roles & 50–950 ramp

primary

#4091AC

secondary

#C19587

accent

#7352D5

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #4091AC

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

Preview Lab → · Contrast checker → · Palette generator →