#3D77BF#3D77BF

#3D77BF is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.5% C 0.128 H 255.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3D77BF
RGB	rgb(61, 119, 191)
HSL	hsl(213, 52%, 49%)
HSV	hsv(213, 68%, 75%)
CMYK	cmyk(68.1%, 37.7%, 0%, 25.1%)
CIE-LAB	lab(49.43, 4.69, -43.32)
CIE-LCH	lch(49.43, 43.57, 276.18°)
OKLab	oklab(56.5% -0.0329 -0.1232)
OKLCH	oklch(56.5% 0.128 255)
XYZ	xyz(17.9218, 17.9455, 51.7994)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D77BF #BF853D

analogous

#3DB8BF #3D77BF #443DBF

triadic

#3D77BF #BF3D77 #77BF3D

tetradic

#3D77BF #BF3DB8 #BF853D #3DBF44

square

#3D77BF #BF3DB8 #BF853D #3DBF44

split-complementary

#3D77BF #BF443D #B8BF3D

monochromatic

#1F3D62 #2E5A91 #3D77BF #6A97CF #98B7DE

Accessibility & contrast

On white

4.58

#3D77BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3D77BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D77BF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D77BF	#FFFFFF	#000000	##000000
##3D77BF	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC2

Deuteranopia (green-blind)

#4470BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d77bf;
/* rgb */ color: rgb(61, 119, 191);
/* oklch */ color: oklch(56.5% 0.128 255.0);

Tailwind

colors: {
  custom: {
    50: '#819dd2',
    500: '#3d77bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d77bf;
$custom-light: #819dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d77bf",
  "rgb": {
    "r": 61,
    "g": 119,
    "b": 191
  },
  "hsl": {
    "h": 213.231,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56497,
    "c": 0.12753,
    "h": 255
  },
  "luminance": 0.17947
}

Semantic roles & 50–950 ramp

primary

#3D77BF

secondary

#CAAF8E

accent

#9C4DDB

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D77BF

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

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