#4154CB#4154CB

#4154CB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.185 H 271.2°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#4154CB
RGB	rgb(65, 84, 203)
HSL	hsl(232, 57%, 53%)
HSV	hsv(232, 68%, 80%)
CMYK	cmyk(68%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(40.86, 31.73, -64.02)
CIE-LCH	lch(40.86, 71.45, 296.37°)
OKLab	oklab(50.25% 0.004 -0.1845)
OKLCH	oklch(50.25% 0.185 271.2)
XYZ	xyz(16.1261, 11.7747, 57.9112)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154CB #CBB841

analogous

#4199CB #4154CB #7341CB

triadic

#4154CB #CB4154 #54CB41

tetradic

#4154CB #CB4199 #CBB841 #41CB73

square

#4154CB #CB4199 #CBB841 #41CB73

split-complementary

#4154CB #CB7341 #99CB41

monochromatic

#1F2B72 #2C3DA2 #4154CB #717FD8 #A1AAE5

Accessibility & contrast

On white

6.26

#4154CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4154CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154CB

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154CB	#FFFFFF	#000000	##FFFFFF
##4154CB	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4154cb;
/* rgb */ color: rgb(65, 84, 203);
/* oklch */ color: oklch(50.2% 0.185 271.2);

Tailwind

colors: {
  custom: {
    50: '#8684dc',
    500: '#4154cb',
    950: '#000000',
  },
}

SCSS

$custom: #4154cb;
$custom-light: #8684dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4154cb",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 231.739,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5025,
    "c": 0.18451,
    "h": 271.2
  },
  "luminance": 0.11776
}

Semantic roles & 50–950 ramp

primary

#4154CB

secondary

#D2CA96

accent

#CB48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4154CB

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

Preview Lab → · Contrast checker → · Palette generator →