#4074BF#4074BF

#4074BF is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.130 H 257.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4074BF
RGB	rgb(64, 116, 191)
HSL	hsl(215, 50%, 50%)
HSV	hsv(215, 66%, 75%)
CMYK	cmyk(66.5%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(48.69, 7.03, -44.49)
CIE-LCH	lch(48.69, 45.04, 278.98°)
OKLab	oklab(55.95% -0.0276 -0.1267)
OKLCH	oklch(55.95% 0.13 257.7)
XYZ	xyz(17.7603, 17.3406, 51.6912)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4074BF #BF8B40

analogous

#40B4BF #4074BF #4B40BF

triadic

#4074BF #BF4074 #74BF40

tetradic

#4074BF #BF40B4 #BF8B40 #40BF4B

square

#4074BF #BF40B4 #BF8B40 #40BF4B

split-complementary

#4074BF #BF4B40 #B4BF40

monochromatic

#213C63 #315891 #4074BF #6E95CE #9CB7DE

Accessibility & contrast

On white

4.70

#4074BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4074BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4074BF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4074BF	#FFFFFF	#000000	##FFFFFF
##4074BF	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC2

Deuteranopia (green-blind)

#3F6EBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4074bf;
/* rgb */ color: rgb(64, 116, 191);
/* oklch */ color: oklch(56.0% 0.130 257.7);

Tailwind

colors: {
  custom: {
    50: '#829bd3',
    500: '#4074bf',
    950: '#000000',
  },
}

SCSS

$custom: #4074bf;
$custom-light: #829bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4074bf",
  "rgb": {
    "r": 64,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 215.433,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.55951,
    "c": 0.12963,
    "h": 257.7
  },
  "luminance": 0.17342
}

Semantic roles & 50–950 ramp

primary

#4074BF

secondary

#CAB391

accent

#A04ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4074BF

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

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