#4B8CEC#4B8CEC

#4B8CEC is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.159 H 258.1°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#4B8CEC
RGB	rgb(75, 140, 236)
HSL	hsl(216, 81%, 61%)
HSV	hsv(216, 68%, 93%)
CMYK	cmyk(68.2%, 40.7%, 0%, 7.5%)
CIE-LAB	lab(58.33, 9.99, -54.53)
CIE-LCH	lch(58.33, 55.44, 280.38°)
OKLab	oklab(64.35% -0.0327 -0.1556)
OKLCH	oklch(64.35% 0.159 258.1)
XYZ	xyz(27.4146, 26.3053, 82.9733)
Luminance	0.2631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8CEC #ECAB4B

analogous

#4BDDEC #4B8CEC #5A4BEC

triadic

#4B8CEC #EC4B8C #8CEC4B

tetradic

#4B8CEC #EC4BDD #ECAB4B #4BEC5A

square

#4B8CEC #EC4BDD #ECAB4B #4BEC5A

split-complementary

#4B8CEC #EC5A4B #DDEC4B

monochromatic

#1250AB #1869E2 #4B8CEC #82AFF2 #BAD3F8

Accessibility & contrast

On white

3.35

#4B8CEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#4B8CEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8CEC

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8CEC	#FFFFFF	#000000	##000000
##4B8CEC	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94F0

Deuteranopia (green-blind)

#4585EA

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b8cec;
/* rgb */ color: rgb(75, 140, 236);
/* oklch */ color: oklch(64.4% 0.159 258.1);

Tailwind

colors: {
  custom: {
    50: '#8eadf3',
    500: '#4b8cec',
    950: '#000000',
  },
}

SCSS

$custom: #4b8cec;
$custom-light: #8eadf3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8cec",
  "rgb": {
    "r": 75,
    "g": 140,
    "b": 236
  },
  "hsl": {
    "h": 215.776,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64355,
    "c": 0.15897,
    "h": 258.1
  },
  "luminance": 0.26308
}

Semantic roles & 50–950 ramp

primary

#4B8CEC

secondary

#E8CFAB

accent

#8708DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4B8CEC

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

Preview Lab → · Contrast checker → · Palette generator →