#578BB2#578BB2

#578BB2 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.6% C 0.081 H 242.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#578BB2
RGB	rgb(87, 139, 178)
HSL	hsl(206, 37%, 52%)
HSV	hsv(206, 51%, 70%)
CMYK	cmyk(51.1%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(55.79, -6.23, -25.82)
CIE-LCH	lch(55.79, 26.57, 256.43°)
OKLab	oklab(61.61% -0.038 -0.072)
OKLCH	oklch(61.61% 0.081 242.2)
XYZ	xyz(21.1961, 23.7042, 45.5693)
Luminance	0.2371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BB2 #B27E57

analogous

#57B2AC #578BB2 #575EB2

triadic

#578BB2 #B2578B #8BB257

tetradic

#578BB2 #AC57B2 #B27E57 #5EB257

square

#578BB2 #AC57B2 #B27E57 #5EB257

split-complementary

#578BB2 #B2575E #B2AC57

monochromatic

#2D4B62 #406B8C #578BB2 #81A8C5 #ABC5D8

Accessibility & contrast

On white

3.66

#578BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#578BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BB2

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BB2	#FFFFFF	#000000	##000000
##578BB2	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB4

Deuteranopia (green-blind)

#6E82B1

Tritanopia (blue-blind)

#279598

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #578bb2;
/* rgb */ color: rgb(87, 139, 178);
/* oklch */ color: oklch(61.6% 0.081 242.2);

Tailwind

colors: {
  custom: {
    50: '#8cacc9',
    500: '#578bb2',
    950: '#000000',
  },
}

SCSS

$custom: #578bb2;
$custom-light: #8cacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#578bb2",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 205.714,
    "s": 37.143,
    "l": 51.961
  },
  "oklch": {
    "l": 0.61606,
    "c": 0.08143,
    "h": 242.2
  },
  "luminance": 0.23706
}

Semantic roles & 50–950 ramp

primary

#578BB2

secondary

#C6B09E

accent

#8C5BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #578BB2

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

Preview Lab → · Contrast checker → · Palette generator →