#538BB2#538BB2

#538BB2 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.4% C 0.084 H 240.4°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#538BB2
RGB	rgb(83, 139, 178)
HSL	hsl(205, 38%, 51%)
HSV	hsv(205, 53%, 70%)
CMYK	cmyk(53.4%, 21.9%, 0%, 30.2%)
CIE-LAB	lab(55.60, -7.16, -26.13)
CIE-LCH	lch(55.60, 27.09, 254.68°)
OKLab	oklab(61.4% -0.0414 -0.0729)
OKLCH	oklch(61.4% 0.084 240.4)
XYZ	xyz(20.8329, 23.5169, 45.5522)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB2 #B27A53

analogous

#53B2AA #538BB2 #535BB2

triadic

#538BB2 #B2538B #8BB253

tetradic

#538BB2 #AA53B2 #B27A53 #5BB253

square

#538BB2 #AA53B2 #B27A53 #5BB253

split-complementary

#538BB2 #B2535B #B2AA53

monochromatic

#2B4A60 #3E6B8A #538BB2 #7DA8C5 #A8C4D8

Accessibility & contrast

On white

3.68

#538BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#538BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB2

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB2	#FFFFFF	#000000	##000000
##538BB2	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB4

Deuteranopia (green-blind)

#6D81B1

Tritanopia (blue-blind)

#189598

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538bb2;
/* rgb */ color: rgb(83, 139, 178);
/* oklch */ color: oklch(61.4% 0.084 240.4);

Tailwind

colors: {
  custom: {
    50: '#8aacc9',
    500: '#538bb2',
    950: '#000000',
  },
}

SCSS

$custom: #538bb2;
$custom-light: #8aacc9;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb2",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 204.632,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61404,
    "c": 0.08386,
    "h": 240.4
  },
  "luminance": 0.23519
}

Semantic roles & 50–950 ramp

primary

#538BB2

secondary

#C5AD9B

accent

#895ACE

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB2

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

Preview Lab → · Contrast checker → · Palette generator →