#4155BF#4155BF

#4155BF is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.5% C 0.167 H 271.0°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4155BF
RGB	rgb(65, 85, 191)
HSL	hsl(230, 50%, 50%)
HSV	hsv(230, 66%, 75%)
CMYK	cmyk(66%, 55.5%, 0%, 25.1%)
CIE-LAB	lab(40.22, 26.87, -58.09)
CIE-LCH	lch(40.22, 64.00, 294.82°)
OKLab	oklab(49.49% 0.0028 -0.167)
OKLCH	oklch(49.49% 0.167 271)
XYZ	xyz(14.8293, 11.3811, 50.6954)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155BF #BFAB41

analogous

#4194BF #4155BF #6C41BF

triadic

#4155BF #BF4155 #55BF41

tetradic

#4155BF #BF4194 #BFAB41 #41BF6C

square

#4155BF #BF4194 #BFAB41 #41BF6C

split-complementary

#4155BF #BF6C41 #94BF41

monochromatic

#222C64 #314092 #4155BF #6F7ECE #9DA7DE

Accessibility & contrast

On white

6.41

#4155BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4155BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155BF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155BF	#FFFFFF	#000000	##FFFFFF
##4155BF	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#0059BD

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4155bf;
/* rgb */ color: rgb(65, 85, 191);
/* oklch */ color: oklch(49.5% 0.167 271.0);

Tailwind

colors: {
  custom: {
    50: '#8384d3',
    500: '#4155bf',
    950: '#000000',
  },
}

SCSS

$custom: #4155bf;
$custom-light: #8384d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4155bf",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 191
  },
  "hsl": {
    "h": 230.476,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4949,
    "c": 0.16706,
    "h": 271
  },
  "luminance": 0.11382
}

Semantic roles & 50–950 ramp

primary

#4155BF

secondary

#CAC192

accent

#C34FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4155BF

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

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