#3D59D9#3D59D9

#3D59D9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.198 H 269.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D59D9
RGB	rgb(61, 89, 217)
HSL	hsl(229, 67%, 55%)
HSV	hsv(229, 72%, 85%)
CMYK	cmyk(71.9%, 59%, 0%, 14.9%)
CIE-LAB	lab(42.98, 33.00, -68.61)
CIE-LCH	lch(42.98, 76.13, 295.68°)
OKLab	oklab(52.11% -0.0036 -0.198)
OKLCH	oklch(52.11% 0.198 269)
XYZ	xyz(18.0169, 13.1447, 67.2199)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D59D9 #D9BD3D

analogous

#3DA7D9 #3D59D9 #6F3DD9

triadic

#3D59D9 #D93D59 #59D93D

tetradic

#3D59D9 #D93DA7 #D9BD3D #3DD96F

square

#3D59D9 #D93DA7 #D9BD3D #3DD96F

split-complementary

#3D59D9 #D96F3D #A7D93D

monochromatic

#192C82 #243EB5 #3D59D9 #7085E3 #A3B1ED

Accessibility & contrast

On white

5.79

#3D59D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3D59D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D59D9

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D59D9	#FFFFFF	#000000	##FFFFFF
##3D59D9	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#005ED7

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3d59d9;
/* rgb */ color: rgb(61, 89, 217);
/* oklch */ color: oklch(52.1% 0.198 269.0);

Tailwind

colors: {
  custom: {
    50: '#8787e6',
    500: '#3d59d9',
    950: '#000000',
  },
}

SCSS

$custom: #3d59d9;
$custom-light: #8787e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d59d9",
  "rgb": {
    "r": 61,
    "g": 89,
    "b": 217
  },
  "hsl": {
    "h": 229.231,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52113,
    "c": 0.19802,
    "h": 269
  },
  "luminance": 0.13147
}

Semantic roles & 50–950 ramp

primary

#3D59D9

secondary

#DACE98

accent

#CB3EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3D59D9

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

Preview Lab → · Contrast checker → · Palette generator →