#4D99DB#4D99DB

#4D99DB is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.124 H 247.2°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4D99DB
RGB	rgb(77, 153, 219)
HSL	hsl(208, 66%, 58%)
HSV	hsv(208, 65%, 86%)
CMYK	cmyk(64.8%, 30.1%, 0%, 14.1%)
CIE-LAB	lab(61.20, -3.11, -40.55)
CIE-LCH	lch(61.20, 40.66, 265.61°)
OKLab	oklab(66.34% -0.0481 -0.1145)
OKLCH	oklch(66.34% 0.124 247.2)
XYZ	xyz(27.2332, 29.4720, 71.2575)
Luminance	0.2948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D99DB #DB8F4D

analogous

#4DDBD6 #4D99DB #4D52DB

triadic

#4D99DB #DB4D99 #99DB4D

tetradic

#4D99DB #D64DDB #DB8F4D #52DB4D

square

#4D99DB #D64DDB #DB8F4D #52DB4D

split-complementary

#4D99DB #DB4D52 #DBD64D

monochromatic

#1D5B90 #277BC3 #4D99DB #80B6E5 #B3D3F0

Accessibility & contrast

On white

3.05

#4D99DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#4D99DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D99DB

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D99DB	#FFFFFF	#000000	##000000
##4D99DB	1.00	3.05	6.90	6.90
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9BDE

Deuteranopia (green-blind)

#698EDA

Tritanopia (blue-blind)

#00A9B0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4d99db;
/* rgb */ color: rgb(77, 153, 219);
/* oklch */ color: oklch(66.3% 0.124 247.2);

Tailwind

colors: {
  custom: {
    50: '#8cb6e6',
    500: '#4d99db',
    950: '#000000',
  },
}

SCSS

$custom: #4d99db;
$custom-light: #8cb6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d99db",
  "rgb": {
    "r": 77,
    "g": 153,
    "b": 219
  },
  "hsl": {
    "h": 207.887,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6634,
    "c": 0.12422,
    "h": 247.2
  },
  "luminance": 0.29475
}

Semantic roles & 50–950 ramp

primary

#4D99DB

secondary

#DEC0A6

accent

#8E3FE9

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4D99DB

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

Preview Lab → · Contrast checker → · Palette generator →