#478FDB#478FDB

#478FDB is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.9% C 0.136 H 251.8°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#478FDB
RGB	rgb(71, 143, 219)
HSL	hsl(211, 67%, 57%)
HSV	hsv(211, 68%, 86%)
CMYK	cmyk(67.6%, 34.7%, 0%, 14.1%)
CIE-LAB	lab(58.13, 1.70, -45.39)
CIE-LCH	lch(58.13, 45.42, 272.15°)
OKLab	oklab(63.87% -0.0423 -0.1288)
OKLCH	oklch(63.87% 0.136 251.8)
XYZ	xyz(25.2024, 26.0964, 70.7130)
Luminance	0.2610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478FDB #DB9347

analogous

#47D9DB #478FDB #4947DB

triadic

#478FDB #DB478F #8FDB47

tetradic

#478FDB #DB47D9 #DB9347 #47DB49

square

#478FDB #DB47D9 #DB9347 #47DB49

split-complementary

#478FDB #DB4947 #D9DB47

monochromatic

#1B528C #2570BF #478FDB #7AAEE5 #ADCDEF

Accessibility & contrast

On white

3.38

#478FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#478FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478FDB

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478FDB	#FFFFFF	#000000	##000000
##478FDB	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DE

Deuteranopia (green-blind)

#5885D9

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #478fdb;
/* rgb */ color: rgb(71, 143, 219);
/* oklch */ color: oklch(63.9% 0.136 251.8);

Tailwind

colors: {
  custom: {
    50: '#8aafe6',
    500: '#478fdb',
    950: '#000000',
  },
}

SCSS

$custom: #478fdb;
$custom-light: #8aafe6;
$custom-dark: #000000;

JSON

{
  "hex": "#478fdb",
  "rgb": {
    "r": 71,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 210.811,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63871,
    "c": 0.13559,
    "h": 251.8
  },
  "luminance": 0.26099
}

Semantic roles & 50–950 ramp

primary

#478FDB

secondary

#DDC0A1

accent

#963EEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #478FDB

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

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