#405BDA#405BDA

#405BDA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.196 H 269.3°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#405BDA
RGB	rgb(64, 91, 218)
HSL	hsl(229, 68%, 55%)
HSV	hsv(229, 71%, 85%)
CMYK	cmyk(70.6%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(43.70, 32.47, -68.00)
CIE-LCH	lch(43.70, 75.35, 295.52°)
OKLab	oklab(52.71% -0.0023 -0.1961)
OKLCH	oklch(52.71% 0.196 269.3)
XYZ	xyz(18.5060, 13.6322, 67.9721)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BDA #DABF40

analogous

#40A8DA #405BDA #7240DA

triadic

#405BDA #DA405B #5BDA40

tetradic

#405BDA #DA40A8 #DABF40 #40DA72

square

#405BDA #DA40A8 #DABF40 #40DA72

split-complementary

#405BDA #DA7240 #A8DA40

monochromatic

#1A2D86 #243EB9 #405BDA #7387E4 #A7B3EE

Accessibility & contrast

On white

5.63

#405BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#405BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BDA

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BDA	#FFFFFF	#000000	##FFFFFF
##405BDA	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDE

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007B92

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405bda;
/* rgb */ color: rgb(64, 91, 218);
/* oklch */ color: oklch(52.7% 0.196 269.3);

Tailwind

colors: {
  custom: {
    50: '#8889e6',
    500: '#405bda',
    950: '#000000',
  },
}

SCSS

$custom: #405bda;
$custom-light: #8889e6;
$custom-dark: #000000;

JSON

{
  "hex": "#405bda",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 229.481,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.52713,
    "c": 0.19613,
    "h": 269.3
  },
  "luminance": 0.13634
}

Semantic roles & 50–950 ramp

primary

#405BDA

secondary

#DBD09B

accent

#CC3DEA

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405BDA

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

Preview Lab → · Contrast checker → · Palette generator →