#538BB5#538BB5

#538BB5 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.087 H 242.4°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#538BB5
RGB	rgb(83, 139, 181)
HSL	hsl(206, 40%, 52%)
HSV	hsv(206, 54%, 71%)
CMYK	cmyk(54.1%, 23.2%, 0%, 29%)
CIE-LAB	lab(55.72, -6.23, -27.65)
CIE-LCH	lch(55.72, 28.35, 257.31°)
OKLab	oklab(61.54% -0.0404 -0.0773)
OKLCH	oklch(61.54% 0.087 242.4)
XYZ	xyz(21.1374, 23.6387, 47.1559)
Luminance	0.2364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB5 #B57D53

analogous

#53B5AE #538BB5 #535AB5

triadic

#538BB5 #B5538B #8BB553

tetradic

#538BB5 #AE53B5 #B57D53 #5AB553

square

#538BB5 #AE53B5 #B57D53 #5AB553

split-complementary

#538BB5 #B5535A #B5AE53

monochromatic

#2B4B63 #3D6B8E #538BB5 #7EA8C7 #A9C5DA

Accessibility & contrast

On white

3.67

#538BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#538BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB5

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB5	#FFFFFF	#000000	##000000
##538BB5	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB7

Deuteranopia (green-blind)

#6C81B4

Tritanopia (blue-blind)

#129599

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538bb5;
/* rgb */ color: rgb(83, 139, 181);
/* oklch */ color: oklch(61.5% 0.087 242.4);

Tailwind

colors: {
  custom: {
    50: '#8aaccb',
    500: '#538bb5',
    950: '#000000',
  },
}

SCSS

$custom: #538bb5;
$custom-light: #8aaccb;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb5",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 181
  },
  "hsl": {
    "h": 205.714,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61543,
    "c": 0.0872,
    "h": 242.4
  },
  "luminance": 0.2364
}

Semantic roles & 50–950 ramp

primary

#538BB5

secondary

#C7AF9C

accent

#8B58D0

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB5

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

Preview Lab → · Contrast checker → · Palette generator →