#3B83BC#3B83BC

#3B83BC is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.0% C 0.113 H 245.4°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3B83BC
RGB	rgb(59, 131, 188)
HSL	hsl(207, 52%, 48%)
HSV	hsv(207, 69%, 74%)
CMYK	cmyk(68.6%, 30.3%, 0%, 26.3%)
CIE-LAB	lab(52.72, -3.89, -36.41)
CIE-LCH	lch(52.72, 36.62, 263.91°)
OKLab	oklab(59.01% -0.0472 -0.1029)
OKLCH	oklch(59.01% 0.113 245.4)
XYZ	xyz(18.9936, 20.7912, 50.5793)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B83BC #BC743B

analogous

#3BBCB4 #3B83BC #3B42BC

triadic

#3B83BC #BC3B83 #83BC3B

tetradic

#3B83BC #B43BBC #BC743B #42BC3B

square

#3B83BC #B43BBC #BC743B #42BC3B

split-complementary

#3B83BC #BC3B42 #BCB43B

monochromatic

#1E425F #2C638D #3B83BC #65A0CF #94BDDD

Accessibility & contrast

On white

4.07

#3B83BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#3B83BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B83BC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B83BC	#FFFFFF	#000000	##000000
##3B83BC	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985BE

Deuteranopia (green-blind)

#5878BB

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3b83bc;
/* rgb */ color: rgb(59, 131, 188);
/* oklch */ color: oklch(59.0% 0.113 245.4);

Tailwind

colors: {
  custom: {
    50: '#7fa6d0',
    500: '#3b83bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b83bc;
$custom-light: #7fa6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b83bc",
  "rgb": {
    "r": 59,
    "g": 131,
    "b": 188
  },
  "hsl": {
    "h": 206.512,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.59008,
    "c": 0.11322,
    "h": 245.4
  },
  "luminance": 0.20793
}

Semantic roles & 50–950 ramp

primary

#3B83BC

secondary

#C9A68A

accent

#8C4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3B83BC

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

Preview Lab → · Contrast checker → · Palette generator →