#4091AB#4091AB

#4091AB is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.7% C 0.087 H 222.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4091AB
RGB	rgb(64, 145, 171)
HSL	hsl(195, 46%, 46%)
HSV	hsv(195, 63%, 67%)
CMYK	cmyk(62.6%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(56.37, -16.59, -21.02)
CIE-LCH	lch(56.37, 26.78, 231.72°)
OKLab	oklab(61.71% -0.0648 -0.0585)
OKLCH	oklch(61.71% 0.087 222.1)
XYZ	xyz(19.5875, 24.2791, 42.1742)
Luminance	0.2428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091AB #AB5A40

analogous

#40AB8F #4091AB #405BAB

triadic

#4091AB #AB4091 #91AB40

tetradic

#4091AB #8F40AB #AB5A40 #5BAB40

square

#4091AB #8F40AB #AB5A40 #5BAB40

split-complementary

#4091AB #AB405B #AB8F40

monochromatic

#1F4552 #2F6B7E #4091AB #63ADC5 #90C5D5

Accessibility & contrast

On white

3.59

#4091AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#4091AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091AB

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091AB	#FFFFFF	#000000	##000000
##4091AB	1.00	3.59	5.86	5.86
#FFFFFF	3.59	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)

#828EAC

Deuteranopia (green-blind)

#7282AB

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4091ab;
/* rgb */ color: rgb(64, 145, 171);
/* oklch */ color: oklch(61.7% 0.087 222.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4091ab",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 194.579,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.61714,
    "c": 0.0873,
    "h": 222.1
  },
  "luminance": 0.24281
}

Semantic roles & 50–950 ramp

primary

#4091AB

secondary

#C19486

accent

#7253D5

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #4091AB

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

Preview Lab → · Contrast checker → · Palette generator →