#538CEC#538CEC

#538CEC is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.156 H 260.2°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#538CEC
RGB	rgb(83, 140, 236)
HSL	hsl(218, 80%, 63%)
HSV	hsv(218, 65%, 93%)
CMYK	cmyk(64.8%, 40.7%, 0%, 7.5%)
CIE-LAB	lab(58.65, 11.25, -54.00)
CIE-LCH	lch(58.65, 55.16, 281.77°)
OKLab	oklab(64.69% -0.0266 -0.1539)
OKLCH	oklch(64.69% 0.156 260.2)
XYZ	xyz(28.0803, 26.6486, 83.0045)
Luminance	0.2665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CEC #ECB353

analogous

#53D9EC #538CEC #6653EC

triadic

#538CEC #EC538C #8CEC53

tetradic

#538CEC #EC53D9 #ECB353 #53EC66

square

#538CEC #EC53D9 #ECB353 #53EC66

split-complementary

#538CEC #EC6653 #D9EC53

monochromatic

#144EB1 #1C67E6 #538CEC #8AB1F2 #C1D6F8

Accessibility & contrast

On white

3.32

#538CEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#538CEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CEC

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CEC	#FFFFFF	#000000	##000000
##538CEC	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6095F0

Deuteranopia (green-blind)

#4987EA

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538cec;
/* rgb */ color: rgb(83, 140, 236);
/* oklch */ color: oklch(64.7% 0.156 260.2);

Tailwind

colors: {
  custom: {
    50: '#92adf2',
    500: '#538cec',
    950: '#000000',
  },
}

SCSS

$custom: #538cec;
$custom-light: #92adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#538cec",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 236
  },
  "hsl": {
    "h": 217.647,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64693,
    "c": 0.15618,
    "h": 260.2
  },
  "luminance": 0.26651
}

Semantic roles & 50–950 ramp

primary

#538CEC

secondary

#E9D4B2

accent

#8E09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538CEC

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

Preview Lab → · Contrast checker → · Palette generator →