#2B81B4#2B81B4

#2B81B4 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.112 H 239.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B81B4
RGB	rgb(43, 129, 180)
HSL	hsl(202, 61%, 44%)
HSV	hsv(202, 76%, 71%)
CMYK	cmyk(76.1%, 28.3%, 0%, 29.4%)
CIE-LAB	lab(51.28, -7.82, -34.12)
CIE-LCH	lch(51.28, 35.00, 257.09°)
OKLab	oklab(57.61% -0.0569 -0.0964)
OKLCH	oklch(57.61% 0.112 239.4)
XYZ	xyz(17.0815, 19.5074, 46.0362)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B81B4 #B45E2B

analogous

#2BB4A2 #2B81B4 #2B3CB4

triadic

#2B81B4 #B42B81 #81B42B

tetradic

#2B81B4 #A22BB4 #B45E2B #3CB42B

square

#2B81B4 #A22BB4 #B45E2B #3CB42B

split-complementary

#2B81B4 #B42B3C #B4A22B

monochromatic

#133A51 #1F5E83 #2B81B4 #49A0D3 #7ABADF

Accessibility & contrast

On white

4.28

#2B81B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#2B81B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81B4

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B81B4	#FFFFFF	#000000	##000000
##2B81B4	1.00	4.28	4.90	4.90
#FFFFFF	4.28	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)

#6981B6

Deuteranopia (green-blind)

#5674B3

Tritanopia (blue-blind)

#008E93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2b81b4;
/* rgb */ color: rgb(43, 129, 180);
/* oklch */ color: oklch(57.6% 0.112 239.4);

Tailwind

colors: {
  custom: {
    50: '#78a5ca',
    500: '#2b81b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b81b4;
$custom-light: #78a5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b81b4",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 180
  },
  "hsl": {
    "h": 202.336,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57609,
    "c": 0.11199,
    "h": 239.4
  },
  "luminance": 0.19509
}

Semantic roles & 50–950 ramp

primary

#2B81B4

secondary

#C79373

accent

#7F43E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2B81B4

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

Preview Lab → · Contrast checker → · Palette generator →