#3B90CB#3B90CB

#3B90CB is a light, vivid cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.120 H 242.6°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3B90CB
RGB	rgb(59, 144, 203)
HSL	hsl(205, 58%, 51%)
HSV	hsv(205, 71%, 80%)
CMYK	cmyk(70.9%, 29.1%, 0%, 20.4%)
CIE-LAB	lab(57.26, -6.22, -37.81)
CIE-LCH	lch(57.26, 38.32, 260.67°)
OKLab	oklab(62.82% -0.0555 -0.1069)
OKLCH	oklch(62.82% 0.12 242.6)
XYZ	xyz(22.5522, 25.1856, 60.1611)
Luminance	0.2519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B90CB #CB763B

analogous

#3BCBBE #3B90CB #3B48CB

triadic

#3B90CB #CB3B90 #90CB3B

tetradic

#3B90CB #BE3BCB #CB763B #48CB3B

square

#3B90CB #BE3BCB #CB763B #48CB3B

split-complementary

#3B90CB #CB3B48 #CBBE3B

monochromatic

#1D4D6E #2A6F9F #3B90CB #6BABD8 #9CC7E5

Accessibility & contrast

On white

3.48

#3B90CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#3B90CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B90CB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B90CB	#FFFFFF	#000000	##000000
##3B90CB	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CE

Deuteranopia (green-blind)

#6183CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3b90cb;
/* rgb */ color: rgb(59, 144, 203);
/* oklch */ color: oklch(62.8% 0.120 242.6);

Tailwind

colors: {
  custom: {
    50: '#82b0db',
    500: '#3b90cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b90cb;
$custom-light: #82b0db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b90cb",
  "rgb": {
    "r": 59,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 204.583,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.62822,
    "c": 0.1204,
    "h": 242.6
  },
  "luminance": 0.25188
}

Semantic roles & 50–950 ramp

primary

#3B90CB

secondary

#D1AB91

accent

#8647E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B90CB

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

Preview Lab → · Contrast checker → · Palette generator →