#3A90B2#3A90B2

#3A90B2 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.096 H 227.7°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A90B2
RGB	rgb(58, 144, 178)
HSL	hsl(197, 51%, 46%)
HSV	hsv(197, 67%, 70%)
CMYK	cmyk(67.4%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(56.15, -14.82, -25.37)
CIE-LCH	lch(56.15, 29.38, 239.71°)
OKLab	oklab(61.58% -0.0646 -0.071)
OKLCH	oklch(61.58% 0.096 227.7)
XYZ	xyz(19.7509, 24.0583, 45.7137)
Luminance	0.2406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A90B2 #B25C3A

analogous

#3AB298 #3A90B2 #3A54B2

triadic

#3A90B2 #B23A90 #90B23A

tetradic

#3A90B2 #983AB2 #B25C3A #54B23A

square

#3A90B2 #983AB2 #B25C3A #54B23A

split-complementary

#3A90B2 #B23A54 #B2983A

monochromatic

#1C4556 #2B6B84 #3A90B2 #5FACCB #8DC4DA

Accessibility & contrast

On white

3.61

#3A90B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3A90B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A90B2

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A90B2	#FFFFFF	#000000	##000000
##3A90B2	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#6D81B2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3a90b2;
/* rgb */ color: rgb(58, 144, 178);
/* oklch */ color: oklch(61.6% 0.096 227.7);

Tailwind

colors: {
  custom: {
    50: '#7eb0c9',
    500: '#3a90b2',
    950: '#000000',
  },
}

SCSS

$custom: #3a90b2;
$custom-light: #7eb0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a90b2",
  "rgb": {
    "r": 58,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 197,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.61575,
    "c": 0.096,
    "h": 227.7
  },
  "luminance": 0.2406
}

Semantic roles & 50–950 ramp

primary

#3A90B2

secondary

#C49683

accent

#754DDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3A90B2

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

Preview Lab → · Contrast checker → · Palette generator →