#3A90AB#3A90AB

#3A90AB is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.3% C 0.091 H 222.1°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A90AB
RGB	rgb(58, 144, 171)
HSL	hsl(194, 49%, 45%)
HSV	hsv(194, 66%, 67%)
CMYK	cmyk(66.1%, 15.8%, 0%, 32.9%)
CIE-LAB	lab(55.87, -17.10, -21.80)
CIE-LCH	lch(55.87, 27.70, 231.89°)
OKLab	oklab(61.27% -0.0673 -0.0608)
OKLCH	oklch(61.27% 0.091 222.1)
XYZ	xyz(19.0659, 23.7843, 42.1062)
Luminance	0.2379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A90AB #AB553A

analogous

#3AAB8D #3A90AB #3A58AB

triadic

#3A90AB #AB3A90 #90AB3A

tetradic

#3A90AB #8D3AAB #AB553A #58AB3A

square

#3A90AB #8D3AAB #AB553A #58AB3A

split-complementary

#3A90AB #AB3A58 #AB8D3A

monochromatic

#1B4350 #2A6A7D #3A90AB #5BADC7 #89C4D7

Accessibility & contrast

On white

3.65

#3A90AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#3A90AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A90AB

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A90AB	#FFFFFF	#000000	##000000
##3A90AB	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808DAC

Deuteranopia (green-blind)

#7081AB

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3a90ab;
/* rgb */ color: rgb(58, 144, 171);
/* oklch */ color: oklch(61.3% 0.091 222.1);

Tailwind

colors: {
  custom: {
    50: '#7db0c4',
    500: '#3a90ab',
    950: '#000000',
  },
}

SCSS

$custom: #3a90ab;
$custom-light: #7db0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a90ab",
  "rgb": {
    "r": 58,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 194.336,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.61265,
    "c": 0.09071,
    "h": 222.1
  },
  "luminance": 0.23786
}

Semantic roles & 50–950 ramp

primary

#3A90AB

secondary

#C18F80

accent

#704FD9

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3A90AB

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

Preview Lab → · Contrast checker → · Palette generator →