#4991DB#4991DB

#4991DB is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.133 H 251.2°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4991DB
RGB	rgb(73, 145, 219)
HSL	hsl(210, 67%, 57%)
HSV	hsv(210, 67%, 86%)
CMYK	cmyk(66.7%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(58.77, 0.85, -44.37)
CIE-LCH	lch(58.77, 44.38, 271.10°)
OKLab	oklab(64.39% -0.0429 -0.1258)
OKLCH	oklch(64.39% 0.133 251.2)
XYZ	xyz(25.6545, 26.7791, 70.8210)
Luminance	0.2678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4991DB #DB9349

analogous

#49DADB #4991DB #4A49DB

triadic

#4991DB #DB4991 #91DB49

tetradic

#4991DB #DB49DA #DB9349 #49DB4A

square

#4991DB #DB49DA #DB9349 #49DB4A

split-complementary

#4991DB #DB4A49 #DADB49

monochromatic

#1C548E #2672C1 #4991DB #7CB0E5 #AFCFEF

Accessibility & contrast

On white

3.30

#4991DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#4991DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4991DB

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4991DB	#FFFFFF	#000000	##000000
##4991DB	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7095DE

Deuteranopia (green-blind)

#5C87DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4991db;
/* rgb */ color: rgb(73, 145, 219);
/* oklch */ color: oklch(64.4% 0.133 251.2);

Tailwind

colors: {
  custom: {
    50: '#8ab0e6',
    500: '#4991db',
    950: '#000000',
  },
}

SCSS

$custom: #4991db;
$custom-light: #8ab0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4991db",
  "rgb": {
    "r": 73,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 210.411,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.64393,
    "c": 0.13291,
    "h": 251.2
  },
  "luminance": 0.26782
}

Semantic roles & 50–950 ramp

primary

#4991DB

secondary

#DDC0A2

accent

#953EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4991DB

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

Preview Lab → · Contrast checker → · Palette generator →