#3A81C8#3A81C8

#3A81C8 is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.2% C 0.130 H 251.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3A81C8
RGB	rgb(58, 129, 200)
HSL	hsl(210, 56%, 51%)
HSV	hsv(210, 71%, 78%)
CMYK	cmyk(71%, 35.5%, 0%, 21.6%)
CIE-LAB	lab(52.69, 1.38, -43.30)
CIE-LCH	lch(52.69, 43.32, 271.83°)
OKLab	oklab(59.17% -0.0424 -0.1231)
OKLCH	oklch(59.17% 0.13 251)
XYZ	xyz(20.0166, 20.7680, 57.5861)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A81C8 #C8813A

analogous

#3AC8C8 #3A81C8 #3A3AC8

triadic

#3A81C8 #C83A81 #81C83A

tetradic

#3A81C8 #C83AC8 #C8813A #3AC83A

square

#3A81C8 #C83AC8 #C8813A #3AC83A

split-complementary

#3A81C8 #C83A3A #C8C83A

monochromatic

#1E446A #2B629A #3A81C8 #6AA0D5 #9ABEE3

Accessibility & contrast

On white

4.07

#3A81C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3A81C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A81C8

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A81C8	#FFFFFF	#000000	##000000
##3A81C8	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6185CB

Deuteranopia (green-blind)

#4C78C7

Tritanopia (blue-blind)

#00929B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3a81c8;
/* rgb */ color: rgb(58, 129, 200);
/* oklch */ color: oklch(59.2% 0.130 251.0);

Tailwind

colors: {
  custom: {
    50: '#81a5d9',
    500: '#3a81c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a81c8;
$custom-light: #81a5d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a81c8",
  "rgb": {
    "r": 58,
    "g": 129,
    "b": 200
  },
  "hsl": {
    "h": 210,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.59174,
    "c": 0.13017,
    "h": 251
  },
  "luminance": 0.2077
}

Semantic roles & 50–950 ramp

primary

#3A81C8

secondary

#CEAF8F

accent

#9448E0

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3A81C8

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

Preview Lab → · Contrast checker → · Palette generator →