#4F90BD#4F90BD

#4F90BD is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.095 H 240.8°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4F90BD
RGB	rgb(79, 144, 189)
HSL	hsl(205, 45%, 53%)
HSV	hsv(205, 58%, 74%)
CMYK	cmyk(58.2%, 23.8%, 0%, 25.9%)
CIE-LAB	lab(57.35, -7.40, -29.70)
CIE-LCH	lch(57.35, 30.61, 256.00°)
OKLab	oklab(62.89% -0.0465 -0.0832)
OKLCH	oklch(62.89% 0.095 240.8)
XYZ	xyz(22.3796, 25.2809, 51.8346)
Luminance	0.2528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90BD #BD7C4F

analogous

#4FBDB3 #4F90BD #4F59BD

triadic

#4F90BD #BD4F90 #90BD4F

tetradic

#4F90BD #B34FBD #BD7C4F #59BD4F

square

#4F90BD #B34FBD #BD7C4F #59BD4F

split-complementary

#4F90BD #BD4F59 #BDB34F

monochromatic

#284F6A #387096 #4F90BD #7CACCE #A8C8DE

Accessibility & contrast

On white

3.47

#4F90BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#4F90BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90BD

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90BD	#FFFFFF	#000000	##000000
##4F90BD	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90BF

Deuteranopia (green-blind)

#6D85BC

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f90bd;
/* rgb */ color: rgb(79, 144, 189);
/* oklch */ color: oklch(62.9% 0.095 240.8);

Tailwind

colors: {
  custom: {
    50: '#89b0d1',
    500: '#4f90bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f90bd;
$custom-light: #89b0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90bd",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 189
  },
  "hsl": {
    "h": 204.545,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62889,
    "c": 0.09534,
    "h": 240.8
  },
  "luminance": 0.25283
}

Semantic roles & 50–950 ramp

primary

#4F90BD

secondary

#CCB09C

accent

#8853D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4F90BD

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

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