#4071C3#4071C3

#4071C3 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.138 H 260.1°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4071C3
RGB	rgb(64, 113, 195)
HSL	hsl(218, 52%, 51%)
HSV	hsv(218, 67%, 76%)
CMYK	cmyk(67.2%, 42.1%, 0%, 23.5%)
CIE-LAB	lab(48.06, 10.32, -47.80)
CIE-LCH	lch(48.06, 48.90, 282.18°)
OKLab	oklab(55.54% -0.0238 -0.1364)
OKLCH	oklch(55.54% 0.138 260.1)
XYZ	xyz(17.8663, 16.8386, 53.9278)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071C3 #C39240

analogous

#40B2C3 #4071C3 #5040C3

triadic

#4071C3 #C34071 #71C340

tetradic

#4071C3 #C340B2 #C39240 #40C350

square

#4071C3 #C340B2 #C39240 #40C350

split-complementary

#4071C3 #C35040 #B2C340

monochromatic

#213B68 #2F5697 #4071C3 #6F94D2 #9DB6E0

Accessibility & contrast

On white

4.81

#4071C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4071C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071C3

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071C3	#FFFFFF	#000000	##FFFFFF
##4071C3	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B79C6

Deuteranopia (green-blind)

#366CC1

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4071c3;
/* rgb */ color: rgb(64, 113, 195);
/* oklch */ color: oklch(55.5% 0.138 260.1);

Tailwind

colors: {
  custom: {
    50: '#8399d5',
    500: '#4071c3',
    950: '#000000',
  },
}

SCSS

$custom: #4071c3;
$custom-light: #8399d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4071c3",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 195
  },
  "hsl": {
    "h": 217.557,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55536,
    "c": 0.13844,
    "h": 260.1
  },
  "luminance": 0.1684
}

Semantic roles & 50–950 ramp

primary

#4071C3

secondary

#CCB792

accent

#A64CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4071C3

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

Preview Lab → · Contrast checker → · Palette generator →