#4F90CF#4F90CF

#4F90CF is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.116 H 249.4°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#4F90CF
RGB	rgb(79, 144, 207)
HSL	hsl(210, 57%, 56%)
HSV	hsv(210, 62%, 81%)
CMYK	cmyk(61.8%, 30.4%, 0%, 18.8%)
CIE-LAB	lab(58.14, -1.56, -38.62)
CIE-LCH	lch(58.14, 38.65, 267.68°)
OKLab	oklab(63.78% -0.0409 -0.109)
OKLCH	oklch(63.78% 0.116 249.4)
XYZ	xyz(24.4561, 26.1115, 62.7706)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90CF #CF8E4F

analogous

#4FCFCE #4F90CF #4F50CF

triadic

#4F90CF #CF4F90 #90CF4F

tetradic

#4F90CF #CE4FCF #CF8E4F #50CF4F

square

#4F90CF #CE4FCF #CF8E4F #50CF4F

split-complementary

#4F90CF #CF4F50 #CFCE4F

monochromatic

#235381 #3071B1 #4F90CF #7FAEDC #AFCDE9

Accessibility & contrast

On white

3.37

#4F90CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#4F90CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90CF

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90CF	#FFFFFF	#000000	##000000
##4F90CF	1.00	3.37	6.22	6.22
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7593D2

Deuteranopia (green-blind)

#6486CE

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4f90cf;
/* rgb */ color: rgb(79, 144, 207);
/* oklch */ color: oklch(63.8% 0.116 249.4);

Tailwind

colors: {
  custom: {
    50: '#8bb0de',
    500: '#4f90cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f90cf;
$custom-light: #8bb0de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90cf",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 207
  },
  "hsl": {
    "h": 209.531,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63778,
    "c": 0.1164,
    "h": 249.4
  },
  "luminance": 0.26114
}

Semantic roles & 50–950 ramp

primary

#4F90CF

secondary

#D7BCA2

accent

#9347E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4F90CF

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

Preview Lab → · Contrast checker → · Palette generator →