#578FDB#578FDB

#578FDB is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.6% C 0.129 H 256.5°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#578FDB
RGB	rgb(87, 143, 219)
HSL	hsl(215, 65%, 60%)
HSV	hsv(215, 60%, 86%)
CMYK	cmyk(60.3%, 34.7%, 0%, 14.1%)
CIE-LAB	lab(58.77, 4.49, -44.33)
CIE-LCH	lch(58.77, 44.56, 275.78°)
OKLab	oklab(64.55% -0.0302 -0.1255)
OKLCH	oklch(64.55% 0.129 256.5)
XYZ	xyz(26.5346, 26.7832, 70.7754)
Luminance	0.2679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FDB #DBA357

analogous

#57D1DB #578FDB #6157DB

triadic

#578FDB #DB578F #8FDB57

tetradic

#578FDB #DB57D1 #DBA357 #57DB61

square

#578FDB #DB57D1 #DBA357 #57DB61

split-complementary

#578FDB #DB6157 #D1DB57

monochromatic

#205397 #2B6ECA #578FDB #89B1E6 #BCD2F1

Accessibility & contrast

On white

3.30

#578FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#578FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FDB

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FDB	#FFFFFF	#000000	##000000
##578FDB	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F94DE

Deuteranopia (green-blind)

#5D88D9

Tritanopia (blue-blind)

#00A0AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #578fdb;
/* rgb */ color: rgb(87, 143, 219);
/* oklch */ color: oklch(64.6% 0.129 256.5);

Tailwind

colors: {
  custom: {
    50: '#91afe6',
    500: '#578fdb',
    950: '#000000',
  },
}

SCSS

$custom: #578fdb;
$custom-light: #91afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#578fdb",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 214.545,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.64553,
    "c": 0.12909,
    "h": 256.5
  },
  "luminance": 0.26786
}

Semantic roles & 50–950 ramp

primary

#578FDB

secondary

#E0CBAD

accent

#A140E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578FDB

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

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