#3A81CA#3A81CA

#3A81CA is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.133 H 251.6°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3A81CA
RGB	rgb(58, 129, 202)
HSL	hsl(210, 58%, 51%)
HSV	hsv(210, 71%, 79%)
CMYK	cmyk(71.3%, 36.1%, 0%, 20.8%)
CIE-LAB	lab(52.80, 2.09, -44.27)
CIE-LCH	lch(52.80, 44.32, 272.71°)
OKLab	oklab(59.29% -0.0419 -0.1259)
OKLCH	oklch(59.29% 0.133 251.6)
XYZ	xyz(20.2519, 20.8621, 58.8251)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A81CA #CA833A

analogous

#3AC9CA #3A81CA #3B3ACA

triadic

#3A81CA #CA3A81 #81CA3A

tetradic

#3A81CA #CA3AC9 #CA833A #3ACA3B

square

#3A81CA #CA3AC9 #CA833A #3ACA3B

split-complementary

#3A81CA #CA3B3A #C9CA3A

monochromatic

#1D446C #2A639D #3A81CA #6AA0D7 #9ABFE4

Accessibility & contrast

On white

4.06

#3A81CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#3A81CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A81CA

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A81CA	#FFFFFF	#000000	##000000
##3A81CA	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6085CD

Deuteranopia (green-blind)

#4B78C9

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3a81ca;
/* rgb */ color: rgb(58, 129, 202);
/* oklch */ color: oklch(59.3% 0.133 251.6);

Tailwind

colors: {
  custom: {
    50: '#81a5da',
    500: '#3a81ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a81ca;
$custom-light: #81a5da;
$custom-dark: #000000;

JSON

{
  "hex": "#3a81ca",
  "rgb": {
    "r": 58,
    "g": 129,
    "b": 202
  },
  "hsl": {
    "h": 210.417,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59289,
    "c": 0.13269,
    "h": 251.6
  },
  "luminance": 0.20864
}

Semantic roles & 50–950 ramp

primary

#3A81CA

secondary

#D0B090

accent

#9547E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3A81CA

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

Preview Lab → · Contrast checker → · Palette generator →