#4054AC#4054AC

#4054AC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.142 H 270.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4054AC
RGB	rgb(64, 84, 172)
HSL	hsl(229, 46%, 46%)
HSV	hsv(229, 63%, 67%)
CMYK	cmyk(62.8%, 51.2%, 0%, 32.5%)
CIE-LAB	lab(38.57, 20.62, -49.59)
CIE-LCH	lch(38.57, 53.70, 292.57°)
OKLab	oklab(47.81% 0.0014 -0.1421)
OKLCH	oklch(47.81% 0.142 270.6)
XYZ	xyz(12.7286, 10.4081, 40.3599)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4054AC #AC9840

analogous

#408AAC #4054AC #6240AC

triadic

#4054AC #AC4054 #54AC40

tetradic

#4054AC #AC408A #AC9840 #40AC62

square

#4054AC #AC408A #AC9840 #40AC62

split-complementary

#4054AC #AC6240 #8AAC40

monochromatic

#1F2853 #2F3E7F #4054AC #6476C5 #919DD6

Accessibility & contrast

On white

6.81

#4054AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4054AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4054AC

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4054AC	#FFFFFF	#000000	##FFFFFF
##4054AC	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2360AF

Deuteranopia (green-blind)

#0456AA

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4054ac;
/* rgb */ color: rgb(64, 84, 172);
/* oklch */ color: oklch(47.8% 0.142 270.6);

Tailwind

colors: {
  custom: {
    50: '#8083c5',
    500: '#4054ac',
    950: '#000000',
  },
}

SCSS

$custom: #4054ac;
$custom-light: #8083c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4054ac",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 172
  },
  "hsl": {
    "h": 228.889,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4781,
    "c": 0.14208,
    "h": 270.6
  },
  "luminance": 0.10409
}

Semantic roles & 50–950 ramp

primary

#4054AC

secondary

#C1B687

accent

#BD52D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4054AC

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

Preview Lab → · Contrast checker → · Palette generator →