#4154BC#4154BC

#4154BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.1% C 0.164 H 271.2°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4154BC
RGB	rgb(65, 84, 188)
HSL	hsl(231, 49%, 50%)
HSV	hsv(231, 65%, 74%)
CMYK	cmyk(65.4%, 55.3%, 0%, 26.3%)
CIE-LAB	lab(39.74, 26.45, -57.11)
CIE-LCH	lch(39.74, 62.94, 294.85°)
OKLab	oklab(49.06% 0.0036 -0.1642)
OKLCH	oklch(49.06% 0.164 271.2)
XYZ	xyz(14.4243, 11.0940, 48.9484)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154BC #BCA941

analogous

#4192BC #4154BC #6C41BC

triadic

#4154BC #BC4154 #54BC41

tetradic

#4154BC #BC4192 #BCA941 #41BC6C

square

#4154BC #BC4192 #BCA941 #41BC6C

split-complementary

#4154BC #BC6C41 #92BC41

monochromatic

#222B61 #31408F #4154BC #6E7CCD #9BA5DC

Accessibility & contrast

On white

6.52

#4154BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4154BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154BC

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154BC	#FFFFFF	#000000	##FFFFFF
##4154BC	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4154bc;
/* rgb */ color: rgb(65, 84, 188);
/* oklch */ color: oklch(49.1% 0.164 271.2);

Tailwind

colors: {
  custom: {
    50: '#8383d1',
    500: '#4154bc',
    950: '#000000',
  },
}

SCSS

$custom: #4154bc;
$custom-light: #8383d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4154bc",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 188
  },
  "hsl": {
    "h": 230.732,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49064,
    "c": 0.16421,
    "h": 271.2
  },
  "luminance": 0.11095
}

Semantic roles & 50–950 ramp

primary

#4154BC

secondary

#C9C090

accent

#C350D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4154BC

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

Preview Lab → · Contrast checker → · Palette generator →