#4B8BDB#4B8BDB

#4B8BDB is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.1% C 0.138 H 255.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4B8BDB
RGB	rgb(75, 139, 219)
HSL	hsl(213, 67%, 58%)
HSV	hsv(213, 66%, 86%)
CMYK	cmyk(65.8%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(57.15, 4.71, -46.93)
CIE-LCH	lch(57.15, 47.17, 275.73°)
OKLab	oklab(63.15% -0.0355 -0.1333)
OKLCH	oklch(63.15% 0.138 255.1)
XYZ	xyz(24.9158, 25.0731, 70.5306)
Luminance	0.2508 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8BDB #DB9B4B

analogous

#4BD3DB #4B8BDB #534BDB

triadic

#4B8BDB #DB4B8B #8BDB4B

tetradic

#4B8BDB #DB4BD3 #DB9B4B #4BDB53

square

#4B8BDB #DB4BD3 #DB9B4B #4BDB53

split-complementary

#4B8BDB #DB534B #D3DB4B

monochromatic

#1D4F8F #276CC2 #4B8BDB #7EACE5 #B1CDEF

Accessibility & contrast

On white

3.49

#4B8BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4B8BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BDB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8BDB	#FFFFFF	#000000	##000000
##4B8BDB	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6891DE

Deuteranopia (green-blind)

#5383D9

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4b8bdb;
/* rgb */ color: rgb(75, 139, 219);
/* oklch */ color: oklch(63.1% 0.138 255.1);

Tailwind

colors: {
  custom: {
    50: '#8bace6',
    500: '#4b8bdb',
    950: '#000000',
  },
}

SCSS

$custom: #4b8bdb;
$custom-light: #8bace6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8bdb",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 213.333,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63145,
    "c": 0.13798,
    "h": 255.1
  },
  "luminance": 0.25076
}

Semantic roles & 50–950 ramp

primary

#4B8BDB

secondary

#DEC4A4

accent

#9D3EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4B8BDB

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

Preview Lab → · Contrast checker → · Palette generator →