#538BBF#538BBF

#538BBF is a light, moderate cyan. Relative luminance 0.241; OKLCH L 62.0% C 0.099 H 248.0°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#538BBF
RGB	rgb(83, 139, 191)
HSL	hsl(209, 46%, 54%)
HSV	hsv(209, 57%, 75%)
CMYK	cmyk(56.5%, 27.2%, 0%, 25.1%)
CIE-LAB	lab(56.15, -3.07, -32.68)
CIE-LCH	lch(56.15, 32.83, 264.63°)
OKLab	oklab(62.02% -0.0371 -0.0918)
OKLCH	oklch(62.02% 0.099 248)
XYZ	xyz(22.2005, 24.0639, 52.7550)
Luminance	0.2407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BBF #BF8753

analogous

#53BFBD #538BBF #5355BF

triadic

#538BBF #BF538B #8BBF53

tetradic

#538BBF #BD53BF #BF8753 #55BF53

square

#538BBF #BD53BF #BF8753 #55BF53

split-complementary

#538BBF #BF5355 #BFBD53

monochromatic

#294D6E #3A6C9B #538BBF #80A9D0 #ACC7E0

Accessibility & contrast

On white

3.61

#538BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#538BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BBF

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BBF	#FFFFFF	#000000	##000000
##538BBF	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758DC1

Deuteranopia (green-blind)

#6782BE

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #538bbf;
/* rgb */ color: rgb(83, 139, 191);
/* oklch */ color: oklch(62.0% 0.099 248.0);

Tailwind

colors: {
  custom: {
    50: '#8bacd2',
    500: '#538bbf',
    950: '#000000',
  },
}

SCSS

$custom: #538bbf;
$custom-light: #8bacd2;
$custom-dark: #000000;

JSON

{
  "hex": "#538bbf",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 208.889,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.62021,
    "c": 0.09898,
    "h": 248
  },
  "luminance": 0.24066
}

Semantic roles & 50–950 ramp

primary

#538BBF

secondary

#CEB6A0

accent

#9152D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #538BBF

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

Preview Lab → · Contrast checker → · Palette generator →