#4F91DA#4F91DA

#4F91DA is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.129 H 252.5°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4F91DA
RGB	rgb(79, 145, 218)
HSL	hsl(212, 65%, 58%)
HSV	hsv(212, 64%, 85%)
CMYK	cmyk(63.8%, 33.5%, 0%, 14.5%)
CIE-LAB	lab(58.95, 1.52, -43.52)
CIE-LCH	lch(58.95, 43.54, 272.00°)
OKLab	oklab(64.58% -0.0388 -0.1232)
OKLCH	oklch(64.58% 0.129 252.5)
XYZ	xyz(26.0001, 26.9725, 70.1521)
Luminance	0.2697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91DA #DA984F

analogous

#4FD6DA #4F91DA #524FDA

triadic

#4F91DA #DA4F91 #91DA4F

tetradic

#4F91DA #DA4FD6 #DA984F #4FDA52

square

#4F91DA #DA4FD6 #DA984F #4FDA52

split-complementary

#4F91DA #DA524F #D6DA4F

monochromatic

#1E5490 #2972C3 #4F91DA #82B1E5 #B4D0EF

Accessibility & contrast

On white

3.28

#4F91DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#4F91DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91DA

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91DA	#FFFFFF	#000000	##000000
##4F91DA	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DD

Deuteranopia (green-blind)

#5E88D9

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f91da;
/* rgb */ color: rgb(79, 145, 218);
/* oklch */ color: oklch(64.6% 0.129 252.5);

Tailwind

colors: {
  custom: {
    50: '#8db0e6',
    500: '#4f91da',
    950: '#000000',
  },
}

SCSS

$custom: #4f91da;
$custom-light: #8db0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91da",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 218
  },
  "hsl": {
    "h": 211.511,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64581,
    "c": 0.12919,
    "h": 252.5
  },
  "luminance": 0.26975
}

Semantic roles & 50–950 ramp

primary

#4F91DA

secondary

#DEC4A7

accent

#9840E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F91DA

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

Preview Lab → · Contrast checker → · Palette generator →