#3D74AB#3D74AB

#3D74AB is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.104 H 250.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3D74AB
RGB	rgb(61, 116, 171)
HSL	hsl(210, 47%, 45%)
HSV	hsv(210, 64%, 67%)
CMYK	cmyk(64.3%, 32.2%, 0%, 32.9%)
CIE-LAB	lab(47.52, -0.53, -34.75)
CIE-LCH	lch(47.52, 34.76, 269.13°)
OKLab	oklab(54.67% -0.0352 -0.0982)
OKLCH	oklch(54.67% 0.104 250.3)
XYZ	xyz(15.5178, 16.4216, 40.8721)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D74AB #AB743D

analogous

#3DABAB #3D74AB #3D3DAB

triadic

#3D74AB #AB3D74 #74AB3D

tetradic

#3D74AB #AB3DAB #AB743D #3DAB3D

square

#3D74AB #AB3DAB #AB743D #3DAB3D

split-complementary

#3D74AB #AB3D3D #ABAB3D

monochromatic

#1D3751 #2D557E #3D74AB #5F93C6 #8CB1D6

Accessibility & contrast

On white

4.90

#3D74AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3D74AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D74AB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D74AB	#FFFFFF	#000000	##FFFFFF
##3D74AB	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C77AD

Deuteranopia (green-blind)

#4D6CAA

Tritanopia (blue-blind)

#008188

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3d74ab;
/* rgb */ color: rgb(61, 116, 171);
/* oklch */ color: oklch(54.7% 0.104 250.3);

Tailwind

colors: {
  custom: {
    50: '#7d9bc4',
    500: '#3d74ab',
    950: '#000000',
  },
}

SCSS

$custom: #3d74ab;
$custom-light: #7d9bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d74ab",
  "rgb": {
    "r": 61,
    "g": 116,
    "b": 171
  },
  "hsl": {
    "h": 210,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.54669,
    "c": 0.10435,
    "h": 250.3
  },
  "luminance": 0.16423
}

Semantic roles & 50–950 ramp

primary

#3D74AB

secondary

#C1A283

accent

#9451D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #3D74AB

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

Preview Lab → · Contrast checker → · Palette generator →