#2B81CA#2B81CA

#2B81CA is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 58.8% C 0.138 H 248.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B81CA
RGB	rgb(43, 129, 202)
HSL	hsl(208, 65%, 48%)
HSV	hsv(208, 79%, 79%)
CMYK	cmyk(78.7%, 36.1%, 0%, 20.8%)
CIE-LAB	lab(52.37, 0.21, -44.98)
CIE-LCH	lch(52.37, 44.98, 270.27°)
OKLab	oklab(58.83% -0.0504 -0.1281)
OKLCH	oklch(58.83% 0.138 248.5)
XYZ	xyz(19.5031, 20.4760, 58.7900)
Luminance	0.2048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B81CA #CA742B

analogous

#2BCAC3 #2B81CA #2B32CA

triadic

#2B81CA #CA2B81 #81CA2B

tetradic

#2B81CA #C32BCA #CA742B #32CA2B

square

#2B81CA #C32BCA #CA742B #32CA2B

split-complementary

#2B81CA #CA2B32 #CAC32B

monochromatic

#164165 #206198 #2B81CA #579FDB #89BBE6

Accessibility & contrast

On white

4.12

#2B81CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#2B81CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81CA

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B81CA	#FFFFFF	#000000	##000000
##2B81CA	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CD

Deuteranopia (green-blind)

#4776C9

Tritanopia (blue-blind)

#00939C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2b81ca;
/* rgb */ color: rgb(43, 129, 202);
/* oklch */ color: oklch(58.8% 0.138 248.5);

Tailwind

colors: {
  custom: {
    50: '#7ca5da',
    500: '#2b81ca',
    950: '#000000',
  },
}

SCSS

$custom: #2b81ca;
$custom-light: #7ca5da;
$custom-dark: #000000;

JSON

{
  "hex": "#2b81ca",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 202
  },
  "hsl": {
    "h": 207.547,
    "s": 64.898,
    "l": 48.039
  },
  "oklch": {
    "l": 0.58833,
    "c": 0.13768,
    "h": 248.5
  },
  "luminance": 0.20478
}

Semantic roles & 50–950 ramp

primary

#2B81CA

secondary

#D0A581

accent

#8D40E8

background

#F8FAFD

surface

#EFF4FB

border

#CACED4

text

#0B0F15

muted

#7C7F83

Preview Lab

Preview with #2B81CA

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

Preview Lab → · Contrast checker → · Palette generator →