#4051AE#4051AE

#4051AE is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.3% C 0.149 H 271.7°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4051AE
RGB	rgb(64, 81, 174)
HSL	hsl(231, 46%, 47%)
HSV	hsv(231, 63%, 68%)
CMYK	cmyk(63.2%, 53.4%, 0%, 31.8%)
CIE-LAB	lab(37.90, 23.27, -51.85)
CIE-LCH	lch(37.90, 56.84, 294.17°)
OKLab	oklab(47.35% 0.0045 -0.1488)
OKLCH	oklch(47.35% 0.149 271.7)
XYZ	xyz(12.6942, 10.0298, 41.3032)
Luminance	0.1003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4051AE #AE9D40

analogous

#4088AE #4051AE #6640AE

triadic

#4051AE #AE4051 #51AE40

tetradic

#4051AE #AE4088 #AE9D40 #40AE66

square

#4051AE #AE4088 #AE9D40 #40AE66

split-complementary

#4051AE #AE6640 #88AE40

monochromatic

#1F2755 #303C81 #4051AE #6574C6 #929CD7

Accessibility & contrast

On white

6.99

#4051AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4051AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4051AE

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4051AE	#FFFFFF	#000000	##FFFFFF
##4051AE	1.00	6.99	3.01	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155EB1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4051ae;
/* rgb */ color: rgb(64, 81, 174);
/* oklch */ color: oklch(47.3% 0.149 271.7);

Tailwind

colors: {
  custom: {
    50: '#8081c7',
    500: '#4051ae',
    950: '#000000',
  },
}

SCSS

$custom: #4051ae;
$custom-light: #8081c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4051ae",
  "rgb": {
    "r": 64,
    "g": 81,
    "b": 174
  },
  "hsl": {
    "h": 230.727,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47348,
    "c": 0.14884,
    "h": 271.7
  },
  "luminance": 0.10031
}

Semantic roles & 50–950 ramp

primary

#4051AE

secondary

#C2B988

accent

#C152D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4051AE

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

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