#4154BF#4154BF

#4154BF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.168 H 271.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4154BF
RGB	rgb(65, 84, 191)
HSL	hsl(231, 50%, 50%)
HSV	hsv(231, 66%, 75%)
CMYK	cmyk(66%, 56%, 0%, 25.1%)
CIE-LAB	lab(39.96, 27.51, -58.51)
CIE-LCH	lch(39.96, 64.65, 295.18°)
OKLab	oklab(49.3% 0.0037 -0.1683)
OKLCH	oklch(49.3% 0.168 271.3)
XYZ	xyz(14.7511, 11.2247, 50.6693)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154BF #BFAC41

analogous

#4193BF #4154BF #6D41BF

triadic

#4154BF #BF4154 #54BF41

tetradic

#4154BF #BF4193 #BFAC41 #41BF6D

square

#4154BF #BF4193 #BFAC41 #41BF6D

split-complementary

#4154BF #BF6D41 #93BF41

monochromatic

#222C64 #314092 #4154BF #6F7DCE #9DA6DE

Accessibility & contrast

On white

6.47

#4154BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4154BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154BF

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154BF	#FFFFFF	#000000	##FFFFFF
##4154BF	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#0059BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4154bf;
/* rgb */ color: rgb(65, 84, 191);
/* oklch */ color: oklch(49.3% 0.168 271.3);

Tailwind

colors: {
  custom: {
    50: '#8483d3',
    500: '#4154bf',
    950: '#000000',
  },
}

SCSS

$custom: #4154bf;
$custom-light: #8483d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4154bf",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 191
  },
  "hsl": {
    "h": 230.952,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49296,
    "c": 0.16832,
    "h": 271.3
  },
  "luminance": 0.11226
}

Semantic roles & 50–950 ramp

primary

#4154BF

secondary

#CAC292

accent

#C44FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4154BF

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

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