#4070BE#4070BE

#4070BE is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.133 H 259.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#4070BE
RGB	rgb(64, 112, 190)
HSL	hsl(217, 50%, 50%)
HSV	hsv(217, 66%, 75%)
CMYK	cmyk(66.3%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(47.49, 9.16, -45.82)
CIE-LCH	lch(47.49, 46.73, 281.30°)
OKLab	oklab(55% -0.0239 -0.1306)
OKLCH	oklch(55% 0.133 259.6)
XYZ	xyz(17.1995, 16.3943, 50.9632)
Luminance	0.1640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070BE #BE8E40

analogous

#40AFBE #4070BE #4F40BE

triadic

#4070BE #BE4070 #70BE40

tetradic

#4070BE #BE40AF #BE8E40 #40BE4F

square

#4070BE #BE40AF #BE8E40 #40BE4F

split-complementary

#4070BE #BE4F40 #AFBE40

monochromatic

#213A62 #315590 #4070BE #6D92CE #9BB4DD

Accessibility & contrast

On white

4.91

#4070BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#4070BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070BE

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070BE	#FFFFFF	#000000	##FFFFFF
##4070BE	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C77C1

Deuteranopia (green-blind)

#396BBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4070be;
/* rgb */ color: rgb(64, 112, 190);
/* oklch */ color: oklch(55.0% 0.133 259.6);

Tailwind

colors: {
  custom: {
    50: '#8298d2',
    500: '#4070be',
    950: '#000000',
  },
}

SCSS

$custom: #4070be;
$custom-light: #8298d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4070be",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 217.143,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55004,
    "c": 0.13276,
    "h": 259.6
  },
  "luminance": 0.16396
}

Semantic roles & 50–950 ramp

primary

#4070BE

secondary

#C9B490

accent

#A44FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #4070BE

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

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