#4F90AB#4F90AB

#4F90AB is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.1% C 0.078 H 227.1°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4F90AB
RGB	rgb(79, 144, 171)
HSL	hsl(198, 37%, 49%)
HSV	hsv(198, 54%, 67%)
CMYK	cmyk(53.8%, 15.8%, 0%, 32.9%)
CIE-LAB	lab(56.63, -12.99, -20.56)
CIE-LCH	lch(56.63, 24.32, 237.72°)
OKLab	oklab(62.08% -0.0531 -0.0571)
OKLCH	oklch(62.08% 0.078 227.1)
XYZ	xyz(20.5456, 24.5473, 42.1756)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90AB #AB6A4F

analogous

#4FAB98 #4F90AB #4F62AB

triadic

#4F90AB #AB4F90 #90AB4F

tetradic

#4F90AB #984FAB #AB6A4F #62AB4F

square

#4F90AB #984FAB #AB6A4F #62AB4F

split-complementary

#4F90AB #AB4F62 #AB984F

monochromatic

#284957 #3C6D81 #4F90AB #77ABC0 #A1C5D4

Accessibility & contrast

On white

3.55

#4F90AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#4F90AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90AB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90AB	#FFFFFF	#000000	##000000
##4F90AB	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828EAC

Deuteranopia (green-blind)

#7483AB

Tritanopia (blue-blind)

#0D9899

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f90ab;
/* rgb */ color: rgb(79, 144, 171);
/* oklch */ color: oklch(62.1% 0.078 227.1);

Tailwind

colors: {
  custom: {
    50: '#87b0c4',
    500: '#4f90ab',
    950: '#000000',
  },
}

SCSS

$custom: #4f90ab;
$custom-light: #87b0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90ab",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 197.609,
    "s": 36.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.62084,
    "c": 0.07795,
    "h": 227.1
  },
  "luminance": 0.24549
}

Semantic roles & 50–950 ramp

primary

#4F90AB

secondary

#C1A295

accent

#7C5BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #4F90AB

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

Preview Lab → · Contrast checker → · Palette generator →