#3D54BC#3D54BC

#3D54BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.165 H 269.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3D54BC
RGB	rgb(61, 84, 188)
HSL	hsl(229, 51%, 49%)
HSV	hsv(229, 68%, 74%)
CMYK	cmyk(67.6%, 55.3%, 0%, 26.3%)
CIE-LAB	lab(39.52, 25.82, -57.48)
CIE-LCH	lch(39.52, 63.01, 294.19°)
OKLab	oklab(48.84% -0.0005 -0.1653)
OKLCH	oklch(48.84% 0.165 269.8)
XYZ	xyz(14.1688, 10.9622, 48.9364)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D54BC #BCA53D

analogous

#3D94BC #3D54BC #663DBC

triadic

#3D54BC #BC3D54 #54BC3D

tetradic

#3D54BC #BC3D94 #BCA53D #3DBC66

square

#3D54BC #BC3D94 #BCA53D #3DBC66

split-complementary

#3D54BC #BC663D #94BC3D

monochromatic

#1F2B60 #2E3F8E #3D54BC #687BCE #96A3DD

Accessibility & contrast

On white

6.58

#3D54BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3D54BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D54BC

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D54BC	#FFFFFF	#000000	##FFFFFF
##3D54BC	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3d54bc;
/* rgb */ color: rgb(61, 84, 188);
/* oklch */ color: oklch(48.8% 0.165 269.8);

Tailwind

colors: {
  custom: {
    50: '#8183d1',
    500: '#3d54bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d54bc;
$custom-light: #8183d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d54bc",
  "rgb": {
    "r": 61,
    "g": 84,
    "b": 188
  },
  "hsl": {
    "h": 229.134,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48838,
    "c": 0.16535,
    "h": 269.8
  },
  "luminance": 0.10964
}

Semantic roles & 50–950 ramp

primary

#3D54BC

secondary

#C9BE8C

accent

#C14DDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3D54BC

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

Preview Lab → · Contrast checker → · Palette generator →