#3D74BB#3D74BB

#3D74BB is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.6% C 0.125 H 255.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3D74BB
RGB	rgb(61, 116, 187)
HSL	hsl(214, 51%, 49%)
HSV	hsv(214, 67%, 73%)
CMYK	cmyk(67.4%, 38%, 0%, 26.7%)
CIE-LAB	lab(48.35, 5.11, -42.73)
CIE-LCH	lch(48.35, 43.04, 276.81°)
OKLab	oklab(55.58% -0.0309 -0.1215)
OKLCH	oklch(55.58% 0.125 255.7)
XYZ	xyz(17.1362, 17.0690, 49.3956)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D74BB #BB843D

analogous

#3DB3BB #3D74BB #453DBB

triadic

#3D74BB #BB3D74 #74BB3D

tetradic

#3D74BB #BB3DB3 #BB843D #3DBB45

square

#3D74BB #BB3DB3 #BB843D #3DBB45

split-complementary

#3D74BB #BB453D #B3BB3D

monochromatic

#1F3B5F #2E578D #3D74BB #6894CE #96B5DD

Accessibility & contrast

On white

4.76

#3D74BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3D74BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D74BB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D74BB	#FFFFFF	#000000	##FFFFFF
##3D74BB	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#426DBA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3d74bb;
/* rgb */ color: rgb(61, 116, 187);
/* oklch */ color: oklch(55.6% 0.125 255.7);

Tailwind

colors: {
  custom: {
    50: '#809bd0',
    500: '#3d74bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d74bb;
$custom-light: #809bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d74bb",
  "rgb": {
    "r": 61,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 213.81,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55583,
    "c": 0.12541,
    "h": 255.7
  },
  "luminance": 0.17071
}

Semantic roles & 50–950 ramp

primary

#3D74BB

secondary

#C8AE8C

accent

#9D4EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3D74BB

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

Preview Lab → · Contrast checker → · Palette generator →