#3B8BBB#3B8BBB

#3B8BBB is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.8% C 0.106 H 238.4°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BBB
RGB	rgb(59, 139, 187)
HSL	hsl(203, 52%, 48%)
HSV	hsv(203, 68%, 73%)
CMYK	cmyk(68.4%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(55.05, -8.85, -32.19)
CIE-LCH	lch(55.05, 33.39, 254.62°)
OKLab	oklab(60.84% -0.0556 -0.0906)
OKLCH	oklch(60.84% 0.106 238.4)
XYZ	xyz(20.0024, 22.9807, 50.3856)
Luminance	0.2298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BBB #BB6B3B

analogous

#3BBBAB #3B8BBB #3B4BBB

triadic

#3B8BBB #BB3B8B #8BBB3B

tetradic

#3B8BBB #AB3BBB #BB6B3B #4BBB3B

square

#3B8BBB #AB3BBB #BB6B3B #4BBB3B

split-complementary

#3B8BBB #BB3B4B #BBAB3B

monochromatic

#1E465E #2C688C #3B8BBB #65A7CE #93C1DD

Accessibility & contrast

On white

3.75

#3B8BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#3B8BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BBB

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BBB	#FFFFFF	#000000	##000000
##3B8BBB	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758BBD

Deuteranopia (green-blind)

#637EBA

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3b8bbb;
/* rgb */ color: rgb(59, 139, 187);
/* oklch */ color: oklch(60.8% 0.106 238.4);

Tailwind

colors: {
  custom: {
    50: '#7faccf',
    500: '#3b8bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bbb;
$custom-light: #7faccf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bbb",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 202.5,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.60839,
    "c": 0.10634,
    "h": 238.4
  },
  "luminance": 0.22983
}

Semantic roles & 50–950 ramp

primary

#3B8BBB

secondary

#C8A18A

accent

#824CDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3B8BBB

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

Preview Lab → · Contrast checker → · Palette generator →