#576ECF#576ECF

#576ECF is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.9% C 0.151 H 270.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#576ECF
RGB	rgb(87, 110, 207)
HSL	hsl(229, 56%, 58%)
HSV	hsv(229, 58%, 81%)
CMYK	cmyk(58%, 46.9%, 0%, 18.8%)
CIE-LAB	lab(49.11, 20.50, -52.92)
CIE-LCH	lch(49.11, 56.76, 291.18°)
OKLab	oklab(56.89% 0.0024 -0.151)
OKLCH	oklch(56.89% 0.151 270.9)
XYZ	xyz(20.7652, 17.6815, 61.3380)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#576ECF #CFB857

analogous

#57AACF #576ECF #7C57CF

triadic

#576ECF #CF576E #6ECF57

tetradic

#576ECF #CF57AA #CFB857 #57CF7C

square

#576ECF #CF57AA #CFB857 #57CF7C

split-complementary

#576ECF #CF7C57 #AACF57

monochromatic

#263885 #344DB5 #576ECF #8797DD #B6C0EA

Accessibility & contrast

On white

4.63

#576ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#576ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #576ECF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##576ECF	#FFFFFF	#000000	##FFFFFF
##576ECF	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#407AD3

Deuteranopia (green-blind)

#2E70CD

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #576ecf;
/* rgb */ color: rgb(87, 110, 207);
/* oklch */ color: oklch(56.9% 0.151 270.9);

Tailwind

colors: {
  custom: {
    50: '#9097de',
    500: '#576ecf',
    950: '#000000',
  },
}

SCSS

$custom: #576ecf;
$custom-light: #9097de;
$custom-dark: #000000;

JSON

{
  "hex": "#576ecf",
  "rgb": {
    "r": 87,
    "g": 110,
    "b": 207
  },
  "hsl": {
    "h": 228.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56885,
    "c": 0.15106,
    "h": 270.9
  },
  "luminance": 0.17683
}

Semantic roles & 50–950 ramp

primary

#576ECF

secondary

#D9D0A9

accent

#C249DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #576ECF

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

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