#2D81B2#2D81B2

#2D81B2 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.109 H 238.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#2D81B2
RGB	rgb(45, 129, 178)
HSL	hsl(202, 60%, 44%)
HSV	hsv(202, 75%, 70%)
CMYK	cmyk(74.7%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.23, -8.28, -33.03)
CIE-LCH	lch(51.23, 34.05, 255.93°)
OKLab	oklab(57.56% -0.0566 -0.0933)
OKLCH	oklch(57.56% 0.109 238.8)
XYZ	xyz(16.9652, 19.4708, 44.9750)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D81B2 #B25E2D

analogous

#2DB2A0 #2D81B2 #2D3FB2

triadic

#2D81B2 #B22D81 #81B22D

tetradic

#2D81B2 #A02DB2 #B25E2D #3FB22D

square

#2D81B2 #A02DB2 #B25E2D #3FB22D

split-complementary

#2D81B2 #B22D3F #B2A02D

monochromatic

#143A50 #215E81 #2D81B2 #4BA0D1 #7CBADE

Accessibility & contrast

On white

4.29

#2D81B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#2D81B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2D81B2

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D81B2	#FFFFFF	#000000	##000000
##2D81B2	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B4

Deuteranopia (green-blind)

#5874B1

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2d81b2;
/* rgb */ color: rgb(45, 129, 178);
/* oklch */ color: oklch(57.6% 0.109 238.8);

Tailwind

colors: {
  custom: {
    50: '#78a5c9',
    500: '#2d81b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d81b2;
$custom-light: #78a5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d81b2",
  "rgb": {
    "r": 45,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 202.105,
    "s": 59.641,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5756,
    "c": 0.10908,
    "h": 238.8
  },
  "luminance": 0.19473
}

Semantic roles & 50–950 ramp

primary

#2D81B2

secondary

#C69375

accent

#7F45E3

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2D81B2

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

Preview Lab → · Contrast checker → · Palette generator →