#4154D9#4154D9

#4154D9 is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.4% C 0.203 H 271.1°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4154D9
RGB	rgb(65, 84, 217)
HSL	hsl(233, 67%, 55%)
HSV	hsv(233, 70%, 85%)
CMYK	cmyk(70%, 61.3%, 0%, 14.9%)
CIE-LAB	lab(41.96, 36.63, -70.27)
CIE-LCH	lch(41.96, 79.24, 297.53°)
OKLab	oklab(51.41% 0.0038 -0.2028)
OKLCH	oklch(51.41% 0.203 271.1)
XYZ	xyz(17.8704, 12.4724, 67.0978)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154D9 #D9C641

analogous

#41A0D9 #4154D9 #7A41D9

triadic

#4154D9 #D94154 #54D941

tetradic

#4154D9 #D941A0 #D9C641 #41D97A

square

#4154D9 #D941A0 #D9C641 #41D97A

split-complementary

#4154D9 #D97A41 #A0D941

monochromatic

#1B2885 #2537B8 #4154D9 #7482E3 #A7B0ED

Accessibility & contrast

On white

6.01

#4154D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4154D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154D9

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154D9	#FFFFFF	#000000	##FFFFFF
##4154D9	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#005CD6

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4154d9;
/* rgb */ color: rgb(65, 84, 217);
/* oklch */ color: oklch(51.4% 0.203 271.1);

Tailwind

colors: {
  custom: {
    50: '#8984e6',
    500: '#4154d9',
    950: '#000000',
  },
}

SCSS

$custom: #4154d9;
$custom-light: #8984e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4154d9",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 217
  },
  "hsl": {
    "h": 232.5,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51409,
    "c": 0.20287,
    "h": 271.1
  },
  "luminance": 0.12474
}

Semantic roles & 50–950 ramp

primary

#4154D9

secondary

#DBD39B

accent

#D43EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4154D9

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

Preview Lab → · Contrast checker → · Palette generator →