#3D81BD#3D81BD

#3D81BD is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.115 H 247.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3D81BD
RGB	rgb(61, 129, 189)
HSL	hsl(208, 51%, 49%)
HSV	hsv(208, 68%, 74%)
CMYK	cmyk(67.7%, 31.7%, 0%, 25.9%)
CIE-LAB	lab(52.25, -2.04, -37.72)
CIE-LCH	lch(52.25, 37.78, 266.91°)
OKLab	oklab(58.67% -0.0435 -0.1067)
OKLCH	oklch(58.67% 0.115 247.8)
XYZ	xyz(18.9566, 20.3648, 51.0660)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D81BD #BD793D

analogous

#3DBDB9 #3D81BD #3D41BD

triadic

#3D81BD #BD3D81 #81BD3D

tetradic

#3D81BD #B93DBD #BD793D #41BD3D

square

#3D81BD #B93DBD #BD793D #41BD3D

split-complementary

#3D81BD #BD3D41 #BDB93D

monochromatic

#1F4260 #2E618F #3D81BD #699FCE #97BCDD

Accessibility & contrast

On white

4.14

#3D81BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#3D81BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D81BD

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D81BD	#FFFFFF	#000000	##000000
##3D81BD	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6683C0

Deuteranopia (green-blind)

#5577BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3d81bd;
/* rgb */ color: rgb(61, 129, 189);
/* oklch */ color: oklch(58.7% 0.115 247.8);

Tailwind

colors: {
  custom: {
    50: '#80a5d1',
    500: '#3d81bd',
    950: '#000000',
  },
}

SCSS

$custom: #3d81bd;
$custom-light: #80a5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d81bd",
  "rgb": {
    "r": 61,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 208.125,
    "s": 51.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58671,
    "c": 0.11527,
    "h": 247.8
  },
  "luminance": 0.20367
}

Semantic roles & 50–950 ramp

primary

#3D81BD

secondary

#C9A98D

accent

#8F4DDB

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3D81BD

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

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