#3A81BC#3A81BC

#3A81BC is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.5% C 0.115 H 246.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3A81BC
RGB	rgb(58, 129, 188)
HSL	hsl(207, 53%, 48%)
HSV	hsv(207, 69%, 74%)
CMYK	cmyk(69.1%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.09, -2.87, -37.40)
CIE-LCH	lch(52.09, 37.51, 265.61°)
OKLab	oklab(58.51% -0.0458 -0.1058)
OKLCH	oklch(58.51% 0.115 246.6)
XYZ	xyz(18.6689, 20.2289, 50.4879)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A81BC #BC753A

analogous

#3ABCB6 #3A81BC #3A40BC

triadic

#3A81BC #BC3A81 #81BC3A

tetradic

#3A81BC #B63ABC #BC753A #40BC3A

square

#3A81BC #B63ABC #BC753A #40BC3A

split-complementary

#3A81BC #BC3A40 #BCB63A

monochromatic

#1D415E #2C618D #3A81BC #649FCF #93BCDE

Accessibility & contrast

On white

4.16

#3A81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#3A81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A81BC

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A81BC	#FFFFFF	#000000	##000000
##3A81BC	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BF

Deuteranopia (green-blind)

#5577BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3a81bc;
/* rgb */ color: rgb(58, 129, 188);
/* oklch */ color: oklch(58.5% 0.115 246.6);

Tailwind

colors: {
  custom: {
    50: '#7fa5d0',
    500: '#3a81bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a81bc;
$custom-light: #7fa5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a81bc",
  "rgb": {
    "r": 58,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 207.231,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58506,
    "c": 0.11531,
    "h": 246.6
  },
  "luminance": 0.20231
}

Semantic roles & 50–950 ramp

primary

#3A81BC

secondary

#C9A689

accent

#8D4CDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3A81BC

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

Preview Lab → · Contrast checker → · Palette generator →