#3B8FCB#3B8FCB

#3B8FCB is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.6% C 0.121 H 243.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B8FCB
RGB	rgb(59, 143, 203)
HSL	hsl(205, 58%, 51%)
HSV	hsv(205, 71%, 80%)
CMYK	cmyk(70.9%, 29.6%, 0%, 20.4%)
CIE-LAB	lab(56.96, -5.64, -38.27)
CIE-LCH	lch(56.96, 38.69, 261.61°)
OKLab	oklab(62.59% -0.0545 -0.1082)
OKLCH	oklch(62.59% 0.121 243.3)
XYZ	xyz(22.4014, 24.8840, 60.1108)
Luminance	0.2489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8FCB #CB773B

analogous

#3BCBBF #3B8FCB #3B47CB

triadic

#3B8FCB #CB3B8F #8FCB3B

tetradic

#3B8FCB #BF3BCB #CB773B #47CB3B

square

#3B8FCB #BF3BCB #CB773B #47CB3B

split-complementary

#3B8FCB #CB3B47 #CBBF3B

monochromatic

#1D4D6E #2A6E9F #3B8FCB #6BABD8 #9CC6E5

Accessibility & contrast

On white

3.51

#3B8FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#3B8FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8FCB

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8FCB	#FFFFFF	#000000	##000000
##3B8FCB	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7490CE

Deuteranopia (green-blind)

#6083CA

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3b8fcb;
/* rgb */ color: rgb(59, 143, 203);
/* oklch */ color: oklch(62.6% 0.121 243.3);

Tailwind

colors: {
  custom: {
    50: '#82afdb',
    500: '#3b8fcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8fcb;
$custom-light: #82afdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8fcb",
  "rgb": {
    "r": 59,
    "g": 143,
    "b": 203
  },
  "hsl": {
    "h": 205,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.6259,
    "c": 0.12116,
    "h": 243.3
  },
  "luminance": 0.24887
}

Semantic roles & 50–950 ramp

primary

#3B8FCB

secondary

#D1AC91

accent

#8747E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B8FCB

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

Preview Lab → · Contrast checker → · Palette generator →