#2F81B1#2F81B1

#2F81B1 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.107 H 238.6°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F81B1
RGB	rgb(47, 129, 177)
HSL	hsl(202, 58%, 44%)
HSV	hsv(202, 73%, 69%)
CMYK	cmyk(73.4%, 27.1%, 0%, 30.6%)
CIE-LAB	lab(51.24, -8.37, -32.44)
CIE-LCH	lch(51.24, 33.50, 255.54°)
OKLab	oklab(57.57% -0.0558 -0.0915)
OKLCH	oklch(57.57% 0.107 238.6)
XYZ	xyz(16.9552, 19.4772, 44.4523)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F81B1 #B15F2F

analogous

#2FB1A0 #2F81B1 #2F40B1

triadic

#2F81B1 #B12F81 #81B12F

tetradic

#2F81B1 #A02FB1 #B15F2F #40B12F

square

#2F81B1 #A02FB1 #B15F2F #40B12F

split-complementary

#2F81B1 #B12F40 #B1A02F

monochromatic

#153B50 #225E81 #2F81B1 #4DA0D0 #7EBADD

Accessibility & contrast

On white

4.29

#2F81B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#2F81B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2F81B1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F81B1	#FFFFFF	#000000	##000000
##2F81B1	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B3

Deuteranopia (green-blind)

#5975B0

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2f81b1;
/* rgb */ color: rgb(47, 129, 177);
/* oklch */ color: oklch(57.6% 0.107 238.6);

Tailwind

colors: {
  custom: {
    50: '#79a5c8',
    500: '#2f81b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f81b1;
$custom-light: #79a5c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f81b1",
  "rgb": {
    "r": 47,
    "g": 129,
    "b": 177
  },
  "hsl": {
    "h": 202.154,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.57566,
    "c": 0.10722,
    "h": 238.6
  },
  "luminance": 0.19479
}

Semantic roles & 50–950 ramp

primary

#2F81B1

secondary

#C59476

accent

#8047E1

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2F81B1

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

Preview Lab → · Contrast checker → · Palette generator →