#4D91DB#4D91DB

#4D91DB is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.6% C 0.131 H 252.2°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4D91DB
RGB	rgb(77, 145, 219)
HSL	hsl(211, 66%, 58%)
HSV	hsv(211, 65%, 86%)
CMYK	cmyk(64.8%, 33.8%, 0%, 14.1%)
CIE-LAB	lab(58.92, 1.51, -44.13)
CIE-LCH	lch(58.92, 44.15, 271.96°)
OKLab	oklab(64.55% -0.04 -0.125)
OKLCH	oklch(64.55% 0.131 252.2)
XYZ	xyz(25.9675, 26.9405, 70.8356)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D91DB #DB974D

analogous

#4DD8DB #4D91DB #504DDB

triadic

#4D91DB #DB4D91 #91DB4D

tetradic

#4D91DB #DB4DD8 #DB974D #4DDB50

square

#4D91DB #DB4DD8 #DB974D #4DDB50

split-complementary

#4D91DB #DB504D #D8DB4D

monochromatic

#1D5490 #2772C3 #4D91DB #80B0E5 #B3D0F0

Accessibility & contrast

On white

3.29

#4D91DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#4D91DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D91DB

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D91DB	#FFFFFF	#000000	##000000
##4D91DB	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DE

Deuteranopia (green-blind)

#5D88DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4d91db;
/* rgb */ color: rgb(77, 145, 219);
/* oklch */ color: oklch(64.6% 0.131 252.2);

Tailwind

colors: {
  custom: {
    50: '#8cb0e6',
    500: '#4d91db',
    950: '#000000',
  },
}

SCSS

$custom: #4d91db;
$custom-light: #8cb0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d91db",
  "rgb": {
    "r": 77,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 211.268,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64552,
    "c": 0.13128,
    "h": 252.2
  },
  "luminance": 0.26943
}

Semantic roles & 50–950 ramp

primary

#4D91DB

secondary

#DEC3A6

accent

#983FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4D91DB

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

Preview Lab → · Contrast checker → · Palette generator →