#3D74CC#3D74CC

#3D74CC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.148 H 259.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3D74CC
RGB	rgb(61, 116, 204)
HSL	hsl(217, 58%, 52%)
HSV	hsv(217, 70%, 80%)
CMYK	cmyk(70.1%, 43.1%, 0%, 20%)
CIE-LAB	lab(49.30, 11.21, -50.97)
CIE-LCH	lch(49.30, 52.19, 282.41°)
OKLab	oklab(56.63% -0.0272 -0.1457)
OKLCH	oklch(56.63% 0.148 259.4)
XYZ	xyz(19.0650, 17.8405, 59.5538)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D74CC #CC953D

analogous

#3DBCCC #3D74CC #4E3DCC

triadic

#3D74CC #CC3D74 #74CC3D

tetradic

#3D74CC #CC3DBC #CC953D #3DCC4E

square

#3D74CC #CC3DBC #CC953D #3DCC4E

split-complementary

#3D74CC #CC4E3D #BCCC3D

monochromatic

#1E3E71 #2A58A1 #3D74CC #6D97D9 #9EB9E5

Accessibility & contrast

On white

4.60

#3D74CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3D74CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D74CC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D74CC	#FFFFFF	#000000	##FFFFFF
##3D74CC	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCF

Deuteranopia (green-blind)

#306FCA

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d74cc;
/* rgb */ color: rgb(61, 116, 204);
/* oklch */ color: oklch(56.6% 0.148 259.4);

Tailwind

colors: {
  custom: {
    50: '#839bdc',
    500: '#3d74cc',
    950: '#000000',
  },
}

SCSS

$custom: #3d74cc;
$custom-light: #839bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d74cc",
  "rgb": {
    "r": 61,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 216.923,
    "s": 58.367,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56634,
    "c": 0.14823,
    "h": 259.4
  },
  "luminance": 0.17843
}

Semantic roles & 50–950 ramp

primary

#3D74CC

secondary

#D2BA93

accent

#A646E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3D74CC

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

Preview Lab → · Contrast checker → · Palette generator →