#3B90DB#3B90DB

#3B90DB is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.7% C 0.139 H 248.6°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B90DB
RGB	rgb(59, 144, 219)
HSL	hsl(208, 69%, 55%)
HSV	hsv(208, 73%, 86%)
CMYK	cmyk(73.1%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.03, -0.62, -45.58)
CIE-LCH	lch(58.03, 45.58, 269.23°)
OKLab	oklab(63.68% -0.0508 -0.1295)
OKLCH	oklch(63.68% 0.139 248.6)
XYZ	xyz(24.5582, 25.9880, 70.7260)
Luminance	0.2599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B90DB #DB863B

analogous

#3BDBD6 #3B90DB #3B40DB

triadic

#3B90DB #DB3B90 #90DB3B

tetradic

#3B90DB #D63BDB #DB863B #40DB3B

square

#3B90DB #D63BDB #DB863B #40DB3B

split-complementary

#3B90DB #DB3B40 #DBD63B

monochromatic

#185183 #2271B7 #3B90DB #6FADE4 #A2CBEE

Accessibility & contrast

On white

3.39

#3B90DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#3B90DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B90DB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B90DB	#FFFFFF	#000000	##000000
##3B90DB	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#5785DA

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3b90db;
/* rgb */ color: rgb(59, 144, 219);
/* oklch */ color: oklch(63.7% 0.139 248.6);

Tailwind

colors: {
  custom: {
    50: '#85b0e6',
    500: '#3b90db',
    950: '#000000',
  },
}

SCSS

$custom: #3b90db;
$custom-light: #85b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b90db",
  "rgb": {
    "r": 59,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 208.125,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63681,
    "c": 0.13911,
    "h": 248.6
  },
  "luminance": 0.25991
}

Semantic roles & 50–950 ramp

primary

#3B90DB

secondary

#DBB797

accent

#8E3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3B90DB

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

Preview Lab → · Contrast checker → · Palette generator →