#3B8FB8#3B8FB8

#3B8FB8 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.6% C 0.101 H 233.1°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3B8FB8
RGB	rgb(59, 143, 184)
HSL	hsl(200, 51%, 48%)
HSV	hsv(200, 68%, 72%)
CMYK	cmyk(67.9%, 22.3%, 0%, 27.8%)
CIE-LAB	lab(56.12, -12.12, -28.82)
CIE-LCH	lch(56.12, 31.27, 247.20°)
OKLab	oklab(61.65% -0.0608 -0.0809)
OKLCH	oklch(61.65% 0.101 233.1)
XYZ	xyz(20.2744, 24.0332, 48.9085)
Luminance	0.2404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8FB8 #B8643B

analogous

#3BB8A2 #3B8FB8 #3B51B8

triadic

#3B8FB8 #B83B8F #8FB83B

tetradic

#3B8FB8 #A23BB8 #B8643B #51B83B

square

#3B8FB8 #A23BB8 #B8643B #51B83B

split-complementary

#3B8FB8 #B83B51 #B8A23B

monochromatic

#1D475B #2C6B8A #3B8FB8 #63AACD #92C3DC

Accessibility & contrast

On white

3.62

#3B8FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3B8FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8FB8

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8FB8	#FFFFFF	#000000	##000000
##3B8FB8	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8EBA

Deuteranopia (green-blind)

#6A81B7

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3b8fb8;
/* rgb */ color: rgb(59, 143, 184);
/* oklch */ color: oklch(61.6% 0.101 233.1);

Tailwind

colors: {
  custom: {
    50: '#7fafcd',
    500: '#3b8fb8',
    950: '#000000',
  },
}

SCSS

$custom: #3b8fb8;
$custom-light: #7fafcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8fb8",
  "rgb": {
    "r": 59,
    "g": 143,
    "b": 184
  },
  "hsl": {
    "h": 199.68,
    "s": 51.44,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61645,
    "c": 0.1012,
    "h": 233.1
  },
  "luminance": 0.24035
}

Semantic roles & 50–950 ramp

primary

#3B8FB8

secondary

#C79D88

accent

#7B4DDB

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B8FB8

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

Preview Lab → · Contrast checker → · Palette generator →