#538BBD#538BBD

#538BBD is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.9% C 0.097 H 247.0°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#538BBD
RGB	rgb(83, 139, 189)
HSL	hsl(208, 45%, 53%)
HSV	hsv(208, 56%, 74%)
CMYK	cmyk(56.1%, 26.5%, 0%, 25.9%)
CIE-LAB	lab(56.06, -3.71, -31.68)
CIE-LCH	lch(56.06, 31.90, 263.32°)
OKLab	oklab(61.92% -0.0377 -0.0889)
OKLCH	oklch(61.92% 0.097 247)
XYZ	xyz(21.9819, 23.9765, 51.6038)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BBD #BD8553

analogous

#53BDBA #538BBD #5356BD

triadic

#538BBD #BD538B #8BBD53

tetradic

#538BBD #BA53BD #BD8553 #56BD53

square

#538BBD #BA53BD #BD8553 #56BD53

split-complementary

#538BBD #BD5356 #BDBA53

monochromatic

#294D6C #3A6C98 #538BBD #7FA9CE #ABC7DF

Accessibility & contrast

On white

3.62

#538BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#538BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BBD

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BBD	#FFFFFF	#000000	##000000
##538BBD	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768CBF

Deuteranopia (green-blind)

#6882BC

Tritanopia (blue-blind)

#00979C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #538bbd;
/* rgb */ color: rgb(83, 139, 189);
/* oklch */ color: oklch(61.9% 0.097 247.0);

Tailwind

colors: {
  custom: {
    50: '#8bacd1',
    500: '#538bbd',
    950: '#000000',
  },
}

SCSS

$custom: #538bbd;
$custom-light: #8bacd1;
$custom-dark: #000000;

JSON

{
  "hex": "#538bbd",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 208.302,
    "s": 44.538,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61923,
    "c": 0.09655,
    "h": 247
  },
  "luminance": 0.23978
}

Semantic roles & 50–950 ramp

primary

#538BBD

secondary

#CDB59F

accent

#9054D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #538BBD

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

Preview Lab → · Contrast checker → · Palette generator →