#4B8BBB#4B8BBB

#4B8BBB is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.5% C 0.098 H 243.0°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4B8BBB
RGB	rgb(75, 139, 187)
HSL	hsl(206, 45%, 51%)
HSV	hsv(206, 60%, 73%)
CMYK	cmyk(59.9%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(55.63, -6.00, -31.25)
CIE-LCH	lch(55.63, 31.82, 259.13°)
OKLab	oklab(61.46% -0.0447 -0.0877)
OKLCH	oklch(61.46% 0.098 243)
XYZ	xyz(21.1006, 23.5470, 50.4371)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8BBB #BB7B4B

analogous

#4BBBB3 #4B8BBB #4B53BB

triadic

#4B8BBB #BB4B8B #8BBB4B

tetradic

#4B8BBB #B34BBB #BB7B4B #53BB4B

square

#4B8BBB #B34BBB #BB7B4B #53BB4B

split-complementary

#4B8BBB #BB4B53 #BBB34B

monochromatic

#264A65 #376B92 #4B8BBB #77A8CC #A4C4DD

Accessibility & contrast

On white

3.68

#4B8BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#4B8BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B8BBB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8BBB	#FFFFFF	#000000	##000000
##4B8BBB	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768CBD

Deuteranopia (green-blind)

#6780BA

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4b8bbb;
/* rgb */ color: rgb(75, 139, 187);
/* oklch */ color: oklch(61.5% 0.098 243.0);

Tailwind

colors: {
  custom: {
    50: '#87accf',
    500: '#4b8bbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b8bbb;
$custom-light: #87accf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8bbb",
  "rgb": {
    "r": 75,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 205.714,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.61458,
    "c": 0.09845,
    "h": 243
  },
  "luminance": 0.23549
}

Semantic roles & 50–950 ramp

primary

#4B8BBB

secondary

#CAAD98

accent

#8B53D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4B8BBB

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

Preview Lab → · Contrast checker → · Palette generator →