#3D78BF#3D78BF

#3D78BF is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.126 H 254.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D78BF
RGB	rgb(61, 120, 191)
HSL	hsl(213, 52%, 49%)
HSV	hsv(213, 68%, 75%)
CMYK	cmyk(68.1%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(49.72, 4.08, -42.86)
CIE-LCH	lch(49.72, 43.05, 275.44°)
OKLab	oklab(56.72% -0.0339 -0.1218)
OKLCH	oklch(56.72% 0.126 254.4)
XYZ	xyz(18.0415, 18.1848, 51.8393)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78BF #BF843D

analogous

#3DB9BF #3D78BF #433DBF

triadic

#3D78BF #BF3D78 #78BF3D

tetradic

#3D78BF #BF3DB9 #BF843D #3DBF43

square

#3D78BF #BF3DB9 #BF843D #3DBF43

split-complementary

#3D78BF #BF433D #B9BF3D

monochromatic

#1F3E62 #2E5B91 #3D78BF #6A98CF #98B8DE

Accessibility & contrast

On white

4.53

#3D78BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3D78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78BF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78BF	#FFFFFF	#000000	##000000
##3D78BF	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587DC2

Deuteranopia (green-blind)

#4571BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3d78bf;
/* rgb */ color: rgb(61, 120, 191);
/* oklch */ color: oklch(56.7% 0.126 254.4);

Tailwind

colors: {
  custom: {
    50: '#819ed2',
    500: '#3d78bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d78bf;
$custom-light: #819ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78bf",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 212.769,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56723,
    "c": 0.12648,
    "h": 254.4
  },
  "luminance": 0.18187
}

Semantic roles & 50–950 ramp

primary

#3D78BF

secondary

#CAAF8E

accent

#9A4DDB

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D78BF

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

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