#4F90CC#4F90CC

#4F90CC is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.6% C 0.113 H 248.3°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#4F90CC
RGB	rgb(79, 144, 204)
HSL	hsl(209, 55%, 55%)
HSV	hsv(209, 61%, 80%)
CMYK	cmyk(61.3%, 29.4%, 0%, 20%)
CIE-LAB	lab(58.00, -2.55, -37.15)
CIE-LCH	lch(58.00, 37.24, 266.07°)
OKLab	oklab(63.62% -0.0418 -0.1047)
OKLCH	oklch(63.62% 0.113 248.3)
XYZ	xyz(24.0928, 25.9661, 60.8573)
Luminance	0.2597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90CC #CC8B4F

analogous

#4FCCC9 #4F90CC #4F51CC

triadic

#4F90CC #CC4F90 #90CC4F

tetradic

#4F90CC #C94FCC #CC8B4F #51CC4F

square

#4F90CC #C94FCC #CC8B4F #51CC4F

split-complementary

#4F90CC #CC4F51 #CCC94F

monochromatic

#24527D #3271AC #4F90CC #7EAEDA #AECCE7

Accessibility & contrast

On white

3.39

#4F90CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#4F90CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90CC

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90CC	#FFFFFF	#000000	##000000
##4F90CC	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6586CB

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f90cc;
/* rgb */ color: rgb(79, 144, 204);
/* oklch */ color: oklch(63.6% 0.113 248.3);

Tailwind

colors: {
  custom: {
    50: '#8bb0dc',
    500: '#4f90cc',
    950: '#000000',
  },
}

SCSS

$custom: #4f90cc;
$custom-light: #8bb0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90cc",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 204
  },
  "hsl": {
    "h": 208.8,
    "s": 55.066,
    "l": 55.49
  },
  "oklch": {
    "l": 0.63624,
    "c": 0.11274,
    "h": 248.3
  },
  "luminance": 0.25968
}

Semantic roles & 50–950 ramp

primary

#4F90CC

secondary

#D5BAA1

accent

#9149DE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4F90CC

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

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