#4F90BA#4F90BA

#4F90BA is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.7% C 0.092 H 238.9°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F90BA
RGB	rgb(79, 144, 186)
HSL	hsl(204, 44%, 52%)
HSV	hsv(204, 58%, 73%)
CMYK	cmyk(57.5%, 22.6%, 0%, 27.1%)
CIE-LAB	lab(57.22, -8.36, -28.19)
CIE-LCH	lch(57.22, 29.41, 253.49°)
OKLab	oklab(62.75% -0.0476 -0.0789)
OKLCH	oklch(62.75% 0.092 238.9)
XYZ	xyz(22.0573, 25.1520, 50.1373)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90BA #BA794F

analogous

#4FBAAE #4F90BA #4F5BBA

triadic

#4F90BA #BA4F90 #90BA4F

tetradic

#4F90BA #AE4FBA #BA794F #5BBA4F

square

#4F90BA #AE4FBA #BA794F #5BBA4F

split-complementary

#4F90BA #BA4F5B #BAAE4F

monochromatic

#284E66 #396F92 #4F90BA #7BACCB #A7C7DC

Accessibility & contrast

On white

3.48

#4F90BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4F90BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90BA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90BA	#FFFFFF	#000000	##000000
##4F90BA	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BC

Deuteranopia (green-blind)

#6E85B9

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f90ba;
/* rgb */ color: rgb(79, 144, 186);
/* oklch */ color: oklch(62.7% 0.092 238.9);

Tailwind

colors: {
  custom: {
    50: '#89b0cf',
    500: '#4f90ba',
    950: '#000000',
  },
}

SCSS

$custom: #4f90ba;
$custom-light: #89b0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90ba",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 186
  },
  "hsl": {
    "h": 203.551,
    "s": 43.673,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62749,
    "c": 0.09211,
    "h": 238.9
  },
  "luminance": 0.25154
}

Semantic roles & 50–950 ramp

primary

#4F90BA

secondary

#CAAD9B

accent

#8654D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4F90BA

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

Preview Lab → · Contrast checker → · Palette generator →