#4D90DB#4D90DB

#4D90DB is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.3% C 0.132 H 252.8°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#4D90DB
RGB	rgb(77, 144, 219)
HSL	hsl(212, 66%, 58%)
HSV	hsv(212, 65%, 86%)
CMYK	cmyk(64.8%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.64, 2.10, -44.57)
CIE-LCH	lch(58.64, 44.62, 272.69°)
OKLab	oklab(64.33% -0.039 -0.1263)
OKLCH	oklch(64.33% 0.132 252.8)
XYZ	xyz(25.8153, 26.6362, 70.7849)
Luminance	0.2664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90DB #DB984D

analogous

#4DD7DB #4D90DB #514DDB

triadic

#4D90DB #DB4D90 #90DB4D

tetradic

#4D90DB #DB4DD7 #DB984D #4DDB51

square

#4D90DB #DB4DD7 #DB984D #4DDB51

split-complementary

#4D90DB #DB514D #D7DB4D

monochromatic

#1D5490 #2771C3 #4D90DB #80B0E5 #B3CFF0

Accessibility & contrast

On white

3.32

#4D90DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#4D90DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90DB

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90DB	#FFFFFF	#000000	##000000
##4D90DB	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DE

Deuteranopia (green-blind)

#5B87D9

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4d90db;
/* rgb */ color: rgb(77, 144, 219);
/* oklch */ color: oklch(64.3% 0.132 252.8);

Tailwind

colors: {
  custom: {
    50: '#8cb0e6',
    500: '#4d90db',
    950: '#000000',
  },
}

SCSS

$custom: #4d90db;
$custom-light: #8cb0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90db",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 211.69,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64331,
    "c": 0.13224,
    "h": 252.8
  },
  "luminance": 0.26639
}

Semantic roles & 50–950 ramp

primary

#4D90DB

secondary

#DEC3A6

accent

#993FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4D90DB

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

Preview Lab → · Contrast checker → · Palette generator →