#3A90BB#3A90BB

#3A90BB is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 62.0% C 0.104 H 233.9°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A90BB
RGB	rgb(58, 144, 187)
HSL	hsl(200, 53%, 48%)
HSV	hsv(200, 69%, 73%)
CMYK	cmyk(69%, 23%, 0%, 26.7%)
CIE-LAB	lab(56.52, -11.83, -29.92)
CIE-LCH	lch(56.52, 32.17, 248.43°)
OKLab	oklab(61.99% -0.0614 -0.084)
OKLCH	oklch(61.99% 0.104 233.9)
XYZ	xyz(20.6843, 24.4316, 50.6297)
Luminance	0.2443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A90BB #BB653A

analogous

#3ABBA5 #3A90BB #3A4FBB

triadic

#3A90BB #BB3A90 #90BB3A

tetradic

#3A90BB #A53ABB #BB653A #4FBB3A

square

#3A90BB #A53ABB #BB653A #4FBB3A

split-complementary

#3A90BB #BB3A4F #BBA53A

monochromatic

#1D485E #2C6C8C #3A90BB #63ABCF #92C4DD

Accessibility & contrast

On white

3.57

#3A90BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#3A90BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A90BB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A90BB	#FFFFFF	#000000	##000000
##3A90BB	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBD

Deuteranopia (green-blind)

#6982BA

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3a90bb;
/* rgb */ color: rgb(58, 144, 187);
/* oklch */ color: oklch(62.0% 0.104 233.9);

Tailwind

colors: {
  custom: {
    50: '#7fb0cf',
    500: '#3a90bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a90bb;
$custom-light: #7fb0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a90bb",
  "rgb": {
    "r": 58,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 200,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61994,
    "c": 0.10405,
    "h": 233.9
  },
  "luminance": 0.24434
}

Semantic roles & 50–950 ramp

primary

#3A90BB

secondary

#C89E88

accent

#7C4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3A90BB

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

Preview Lab → · Contrast checker → · Palette generator →