#4B8BCB#4B8BCB

#4B8BCB is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.3% C 0.118 H 250.2°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4B8BCB
RGB	rgb(75, 139, 203)
HSL	hsl(210, 55%, 55%)
HSV	hsv(210, 63%, 80%)
CMYK	cmyk(63.1%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(56.36, -0.72, -39.18)
CIE-LCH	lch(56.36, 39.19, 268.95°)
OKLab	oklab(62.27% -0.0398 -0.1107)
OKLCH	oklch(62.27% 0.118 250.2)
XYZ	xyz(22.9098, 24.2707, 59.9657)
Luminance	0.2427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8BCB #CB8B4B

analogous

#4BCBCB #4B8BCB #4B4BCB

triadic

#4B8BCB #CB4B8B #8BCB4B

tetradic

#4B8BCB #CB4BCB #CB8B4B #4BCB4B

square

#4B8BCB #CB4BCB #CB8B4B #4BCB4B

split-complementary

#4B8BCB #CB4B4B #CBCB4B

monochromatic

#234E79 #316CA8 #4B8BCB #7AAAD9 #AAC8E6

Accessibility & contrast

On white

3.59

#4B8BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#4B8BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BCB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8BCB	#FFFFFF	#000000	##000000
##4B8BCB	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8ECE

Deuteranopia (green-blind)

#5E82CA

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4b8bcb;
/* rgb */ color: rgb(75, 139, 203);
/* oklch */ color: oklch(62.3% 0.118 250.2);

Tailwind

colors: {
  custom: {
    50: '#89acdb',
    500: '#4b8bcb',
    950: '#000000',
  },
}

SCSS

$custom: #4b8bcb;
$custom-light: #89acdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8bcb",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 210,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.62269,
    "c": 0.11763,
    "h": 250.2
  },
  "luminance": 0.24273
}

Semantic roles & 50–950 ramp

primary

#4B8BCB

secondary

#D4B99E

accent

#9449DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4B8BCB

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

Preview Lab → · Contrast checker → · Palette generator →