#2F81BC#2F81BC

#2F81BC is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.1% C 0.120 H 244.0°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#2F81BC
RGB	rgb(47, 129, 188)
HSL	hsl(205, 60%, 46%)
HSV	hsv(205, 75%, 74%)
CMYK	cmyk(75%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(51.76, -4.44, -37.94)
CIE-LCH	lch(51.76, 38.20, 263.33°)
OKLab	oklab(58.15% -0.0523 -0.1075)
OKLCH	oklch(58.15% 0.12 244)
XYZ	xyz(18.0961, 19.9336, 50.4610)
Luminance	0.1994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F81BC #BC6A2F

analogous

#2FBCB0 #2F81BC #2F3BBC

triadic

#2F81BC #BC2F81 #81BC2F

tetradic

#2F81BC #B02FBC #BC6A2F #3BBC2F

square

#2F81BC #B02FBC #BC6A2F #3BBC2F

split-complementary

#2F81BC #BC2F3B #BCB02F

monochromatic

#173E5A #235F8B #2F81BC #549FD4 #85BAE0

Accessibility & contrast

On white

4.21

#2F81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#2F81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2F81BC

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F81BC	#FFFFFF	#000000	##000000
##2F81BC	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683BF

Deuteranopia (green-blind)

#5275BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2f81bc;
/* rgb */ color: rgb(47, 129, 188);
/* oklch */ color: oklch(58.1% 0.120 244.0);

Tailwind

colors: {
  custom: {
    50: '#7ba5d0',
    500: '#2f81bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f81bc;
$custom-light: #7ba5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f81bc",
  "rgb": {
    "r": 47,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 205.106,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58149,
    "c": 0.11959,
    "h": 244
  },
  "luminance": 0.19936
}

Semantic roles & 50–950 ramp

primary

#2F81BC

secondary

#CA9D7D

accent

#8745E3

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #2F81BC

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

Preview Lab → · Contrast checker → · Palette generator →