#3D90DB#3D90DB

#3D90DB is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.138 H 249.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#3D90DB
RGB	rgb(61, 144, 219)
HSL	hsl(208, 69%, 55%)
HSV	hsv(208, 72%, 86%)
CMYK	cmyk(72.1%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.08, -0.35, -45.48)
CIE-LCH	lch(58.08, 45.48, 269.56°)
OKLab	oklab(63.74% -0.0496 -0.1292)
OKLCH	oklch(63.74% 0.138 249)
XYZ	xyz(24.6791, 26.0503, 70.7317)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D90DB #DB883D

analogous

#3DDBD7 #3D90DB #3D41DB

triadic

#3D90DB #DB3D90 #90DB3D

tetradic

#3D90DB #D73DDB #DB883D #41DB3D

square

#3D90DB #D73DDB #DB883D #41DB3D

split-complementary

#3D90DB #DB3D41 #DBD73D

monochromatic

#195285 #2271B9 #3D90DB #71AEE5 #A4CBEE

Accessibility & contrast

On white

3.38

#3D90DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#3D90DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D90DB

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D90DB	#FFFFFF	#000000	##000000
##3D90DB	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#5785DA

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3d90db;
/* rgb */ color: rgb(61, 144, 219);
/* oklch */ color: oklch(63.7% 0.138 249.0);

Tailwind

colors: {
  custom: {
    50: '#86b0e6',
    500: '#3d90db',
    950: '#000000',
  },
}

SCSS

$custom: #3d90db;
$custom-light: #86b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d90db",
  "rgb": {
    "r": 61,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 208.481,
    "s": 68.696,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63744,
    "c": 0.1384,
    "h": 249
  },
  "luminance": 0.26053
}

Semantic roles & 50–950 ramp

primary

#3D90DB

secondary

#DBB899

accent

#8F3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #3D90DB

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

Preview Lab → · Contrast checker → · Palette generator →