#4789DB#4789DB

#4789DB is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.5% C 0.142 H 255.1°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4789DB
RGB	rgb(71, 137, 219)
HSL	hsl(213, 67%, 57%)
HSV	hsv(213, 68%, 86%)
CMYK	cmyk(67.6%, 37.4%, 0%, 14.1%)
CIE-LAB	lab(56.43, 5.26, -48.08)
CIE-LCH	lch(56.43, 48.37, 276.24°)
OKLab	oklab(62.54% -0.0365 -0.1368)
OKLCH	oklch(62.54% 0.142 255.1)
XYZ	xyz(24.3257, 24.3429, 70.4208)
Luminance	0.2434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4789DB #DB9947

analogous

#47D3DB #4789DB #4F47DB

triadic

#4789DB #DB4789 #89DB47

tetradic

#4789DB #DB47D3 #DB9947 #47DB4F

square

#4789DB #DB47D3 #DB9947 #47DB4F

split-complementary

#4789DB #DB4F47 #D3DB47

monochromatic

#1B4E8C #256ABF #4789DB #7AAAE5 #ADCBEF

Accessibility & contrast

On white

3.58

#4789DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#4789DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4789DB

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4789DB	#FFFFFF	#000000	##000000
##4789DB	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648FDE

Deuteranopia (green-blind)

#4E81D9

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4789db;
/* rgb */ color: rgb(71, 137, 219);
/* oklch */ color: oklch(62.5% 0.142 255.1);

Tailwind

colors: {
  custom: {
    50: '#8aabe6',
    500: '#4789db',
    950: '#000000',
  },
}

SCSS

$custom: #4789db;
$custom-light: #8aabe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4789db",
  "rgb": {
    "r": 71,
    "g": 137,
    "b": 219
  },
  "hsl": {
    "h": 213.243,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.62543,
    "c": 0.14155,
    "h": 255.1
  },
  "luminance": 0.24345
}

Semantic roles & 50–950 ramp

primary

#4789DB

secondary

#DDC2A1

accent

#9D3EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4789DB

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

Preview Lab → · Contrast checker → · Palette generator →