#4B9ECB#4B9ECB

#4B9ECB is a light, moderate cyan. Relative luminance 0.303; OKLCH L 66.6% C 0.104 H 235.1°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B9ECB
RGB	rgb(75, 158, 203)
HSL	hsl(201, 55%, 55%)
HSV	hsv(201, 63%, 80%)
CMYK	cmyk(63.1%, 22.2%, 0%, 20.4%)
CIE-LAB	lab(61.88, -11.50, -30.57)
CIE-LCH	lch(61.88, 32.66, 249.38°)
OKLab	oklab(66.63% -0.0598 -0.0857)
OKLCH	oklch(66.63% 0.104 235.1)
XYZ	xyz(25.9038, 30.2588, 60.9637)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9ECB #CB784B

analogous

#4BCBB8 #4B9ECB #4B5ECB

triadic

#4B9ECB #CB4B9E #9ECB4B

tetradic

#4B9ECB #B84BCB #CB784B #5ECB4B

square

#4B9ECB #B84BCB #CB784B #5ECB4B

split-complementary

#4B9ECB #CB4B5E #CBB84B

monochromatic

#235B79 #317EA8 #4B9ECB #7AB8D9 #AAD1E6

Accessibility & contrast

On white

2.98

#4B9ECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#4B9ECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4B9ECB

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9ECB	#FFFFFF	#000000	##000000
##4B9ECB	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899DCD

Deuteranopia (green-blind)

#7790CA

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4b9ecb;
/* rgb */ color: rgb(75, 158, 203);
/* oklch */ color: oklch(66.6% 0.104 235.1);

Tailwind

colors: {
  custom: {
    50: '#89badb',
    500: '#4b9ecb',
    950: '#000000',
  },
}

SCSS

$custom: #4b9ecb;
$custom-light: #89badb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9ecb",
  "rgb": {
    "r": 75,
    "g": 158,
    "b": 203
  },
  "hsl": {
    "h": 201.094,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.66631,
    "c": 0.10448,
    "h": 235.1
  },
  "luminance": 0.30261
}

Semantic roles & 50–950 ramp

primary

#4B9ECB

secondary

#D4B19E

accent

#7E49DF

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4B9ECB

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

Preview Lab → · Contrast checker → · Palette generator →