#4D99DF#4D99DF

#4D99DF is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.5% C 0.129 H 248.6°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#4D99DF
RGB	rgb(77, 153, 223)
HSL	hsl(209, 70%, 59%)
HSV	hsv(209, 65%, 87%)
CMYK	cmyk(65.5%, 31.4%, 0%, 12.5%)
CIE-LAB	lab(61.38, -1.78, -42.48)
CIE-LCH	lch(61.38, 42.51, 267.60°)
OKLab	oklab(66.55% -0.047 -0.1201)
OKLCH	oklch(66.55% 0.129 248.6)
XYZ	xyz(27.7661, 29.6851, 74.0642)
Luminance	0.2969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99DF #DF934D

analogous

#4DDFDC #4D99DF #4D50DF

triadic

#4D99DF #DF4D99 #99DF4D

tetradic

#4D99DF #DC4DDF #DF934D #50DF4D

square

#4D99DF #DC4DDF #DF934D #50DF4D

split-complementary

#4D99DF #DF4D50 #DFDC4D

monochromatic

#1B5B97 #247BCA #4D99DF #81B7E8 #B5D4F2

Accessibility & contrast

On white

3.03

#4D99DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#4D99DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99DF

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99DF	#FFFFFF	#000000	##000000
##4D99DF	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9CE2

Deuteranopia (green-blind)

#668EDE

Tritanopia (blue-blind)

#00AAB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4d99df;
/* rgb */ color: rgb(77, 153, 223);
/* oklch */ color: oklch(66.5% 0.129 248.6);

Tailwind

colors: {
  custom: {
    50: '#8db6e9',
    500: '#4d99df',
    950: '#000000',
  },
}

SCSS

$custom: #4d99df;
$custom-light: #8db6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99df",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 223
  },
  "hsl": {
    "h": 208.767,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.66547,
    "c": 0.12899,
    "h": 248.6
  },
  "luminance": 0.29688
}

Semantic roles & 50–950 ramp

primary

#4D99DF

secondary

#E1C3A7

accent

#903BEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4D99DF

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

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