#3A90DB#3A90DB

#3A90DB is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.6% C 0.139 H 248.4°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A90DB
RGB	rgb(58, 144, 219)
HSL	hsl(208, 69%, 54%)
HSV	hsv(208, 74%, 86%)
CMYK	cmyk(73.5%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.00, -0.75, -45.63)
CIE-LCH	lch(58.00, 45.63, 269.06°)
OKLab	oklab(63.65% -0.0514 -0.1296)
OKLCH	oklch(63.65% 0.139 248.4)
XYZ	xyz(24.4995, 25.9577, 70.7232)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A90DB #DB853A

analogous

#3ADBD5 #3A90DB #3A40DB

triadic

#3A90DB #DB3A90 #90DB3A

tetradic

#3A90DB #D53ADB #DB853A #40DB3A

square

#3A90DB #D53ADB #DB853A #40DB3A

split-complementary

#3A90DB #DB3A40 #DBD53A

monochromatic

#185183 #2171B6 #3A90DB #6EADE4 #A1CAEE

Accessibility & contrast

On white

3.39

#3A90DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#3A90DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A90DB

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A90DB	#FFFFFF	#000000	##000000
##3A90DB	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#5685DA

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3a90db;
/* rgb */ color: rgb(58, 144, 219);
/* oklch */ color: oklch(63.6% 0.139 248.4);

Tailwind

colors: {
  custom: {
    50: '#84b0e6',
    500: '#3a90db',
    950: '#000000',
  },
}

SCSS

$custom: #3a90db;
$custom-light: #84b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a90db",
  "rgb": {
    "r": 58,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 207.95,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.6365,
    "c": 0.13946,
    "h": 248.4
  },
  "luminance": 0.25961
}

Semantic roles & 50–950 ramp

primary

#3A90DB

secondary

#DBB696

accent

#8E3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3A90DB

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

Preview Lab → · Contrast checker → · Palette generator →