#4173CD#4173CD

#4173CD is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.149 H 261.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4173CD
RGB	rgb(65, 115, 205)
HSL	hsl(219, 58%, 53%)
HSV	hsv(219, 68%, 80%)
CMYK	cmyk(68.3%, 43.9%, 0%, 19.6%)
CIE-LAB	lab(49.24, 12.80, -51.63)
CIE-LCH	lch(49.24, 53.19, 283.93°)
OKLab	oklab(56.65% -0.023 -0.1476)
OKLCH	oklch(56.65% 0.149 261.1)
XYZ	xyz(19.3262, 17.7911, 60.1613)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4173CD #CD9B41

analogous

#41B9CD #4173CD #5541CD

triadic

#4173CD #CD4173 #73CD41

tetradic

#4173CD #CD41B9 #CD9B41 #41CD55

square

#4173CD #CD41B9 #CD9B41 #41CD55

split-complementary

#4173CD #CD5541 #B9CD41

monochromatic

#1F3E75 #2C57A5 #4173CD #7197DA #A2BAE6

Accessibility & contrast

On white

4.61

#4173CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4173CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4173CD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4173CD	#FFFFFF	#000000	##FFFFFF
##4173CD	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CD0

Deuteranopia (green-blind)

#2E6FCB

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4173cd;
/* rgb */ color: rgb(65, 115, 205);
/* oklch */ color: oklch(56.7% 0.149 261.1);

Tailwind

colors: {
  custom: {
    50: '#859add',
    500: '#4173cd',
    950: '#000000',
  },
}

SCSS

$custom: #4173cd;
$custom-light: #859add;
$custom-dark: #000000;

JSON

{
  "hex": "#4173cd",
  "rgb": {
    "r": 65,
    "g": 115,
    "b": 205
  },
  "hsl": {
    "h": 218.571,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56651,
    "c": 0.14937,
    "h": 261.1
  },
  "luminance": 0.17793
}

Semantic roles & 50–950 ramp

primary

#4173CD

secondary

#D3BE97

accent

#AA46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4173CD

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

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