#3D6399#3D6399

#3D6399 is a mid, moderate blue. Relative luminance 0.122; OKLCH L 49.7% C 0.097 H 257.3°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3D6399
RGB	rgb(61, 99, 153)
HSL	hsl(215, 43%, 42%)
HSV	hsv(215, 60%, 60%)
CMYK	cmyk(60.1%, 35.3%, 0%, 40%)
CIE-LAB	lab(41.56, 3.68, -33.53)
CIE-LCH	lch(41.56, 33.73, 276.27°)
OKLab	oklab(49.7% -0.0214 -0.0948)
OKLCH	oklch(49.7% 0.097 257.3)
XYZ	xyz(12.1341, 12.2146, 31.8490)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D6399 #99733D

analogous

#3D9199 #3D6399 #453D99

triadic

#3D6399 #993D63 #63993D

tetradic

#3D6399 #993D91 #99733D #3D9945

square

#3D6399 #993D91 #99733D #3D9945

split-complementary

#3D6399 #99453D #91993D

monochromatic

#1A2A41 #2C476D #3D6399 #5781BC #83A2CE

Accessibility & contrast

On white

6.10

#3D6399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3D6399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D6399

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D6399	#FFFFFF	#000000	##FFFFFF
##3D6399	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C679B

Deuteranopia (green-blind)

#405E98

Tritanopia (blue-blind)

#006F77

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3d6399;
/* rgb */ color: rgb(61, 99, 153);
/* oklch */ color: oklch(49.7% 0.097 257.3);

Tailwind

colors: {
  custom: {
    50: '#7a8fb7',
    500: '#3d6399',
    950: '#000000',
  },
}

SCSS

$custom: #3d6399;
$custom-light: #7a8fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d6399",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 153
  },
  "hsl": {
    "h": 215.217,
    "s": 42.991,
    "l": 41.961
  },
  "oklch": {
    "l": 0.497,
    "c": 0.09722,
    "h": 257.3
  },
  "luminance": 0.12216
}

Semantic roles & 50–950 ramp

primary

#3D6399

secondary

#B89E7A

accent

#9F55D3

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3D6399

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

Preview Lab → · Contrast checker → · Palette generator →