#538BB4#538BB4

#538BB4 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.086 H 241.8°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#538BB4
RGB	rgb(83, 139, 180)
HSL	hsl(205, 39%, 52%)
HSV	hsv(205, 54%, 71%)
CMYK	cmyk(53.9%, 22.8%, 0%, 29.4%)
CIE-LAB	lab(55.68, -6.54, -27.15)
CIE-LCH	lch(55.68, 27.92, 256.46°)
OKLab	oklab(61.5% -0.0407 -0.0758)
OKLCH	oklch(61.5% 0.086 241.8)
XYZ	xyz(21.0351, 23.5978, 46.6175)
Luminance	0.2360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB4 #B47C53

analogous

#53B4AD #538BB4 #535BB4

triadic

#538BB4 #B4538B #8BB453

tetradic

#538BB4 #AD53B4 #B47C53 #5BB453

square

#538BB4 #AD53B4 #B47C53 #5BB453

split-complementary

#538BB4 #B4535B #B4AD53

monochromatic

#2B4B62 #3D6B8D #538BB4 #7EA8C7 #A8C4D9

Accessibility & contrast

On white

3.67

#538BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#538BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB4

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB4	#FFFFFF	#000000	##000000
##538BB4	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB6

Deuteranopia (green-blind)

#6C81B3

Tritanopia (blue-blind)

#149599

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538bb4;
/* rgb */ color: rgb(83, 139, 180);
/* oklch */ color: oklch(61.5% 0.086 241.8);

Tailwind

colors: {
  custom: {
    50: '#8aacca',
    500: '#538bb4',
    950: '#000000',
  },
}

SCSS

$custom: #538bb4;
$custom-light: #8aacca;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb4",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 205.361,
    "s": 39.271,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61496,
    "c": 0.08607,
    "h": 241.8
  },
  "luminance": 0.236
}

Semantic roles & 50–950 ramp

primary

#538BB4

secondary

#C7AE9C

accent

#8B59CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB4

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

Preview Lab → · Contrast checker → · Palette generator →