#3A307E#3A307E

#3A307E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.127 H 284.1°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#3A307E
RGB	rgb(58, 48, 126)
HSL	hsl(248, 45%, 34%)
HSV	hsv(248, 62%, 49%)
CMYK	cmyk(54%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(25.32, 27.07, -42.94)
CIE-LCH	lch(25.32, 50.76, 302.22°)
OKLab	oklab(36.74% 0.0308 -0.123)
OKLCH	oklch(36.74% 0.127 284.1)
XYZ	xyz(6.5666, 4.5194, 20.2609)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A307E #747E30

analogous

#304D7E #3A307E #61307E

triadic

#3A307E #7E3A30 #307E3A

tetradic

#3A307E #7E304D #747E30 #307E61

square

#3A307E #7E304D #747E30 #307E61

split-complementary

#3A307E #7E6130 #4D7E30

monochromatic

#110E25 #261F52 #3A307E #4E41AA #7164C4

Accessibility & contrast

On white

11.03

#3A307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3A307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A307E

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A307E	#FFFFFF	#000000	##FFFFFF
##3A307E	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#1F4252

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3a307e;
/* rgb */ color: rgb(58, 48, 126);
/* oklch */ color: oklch(36.7% 0.127 284.1);

Tailwind

colors: {
  custom: {
    50: '#7769a4',
    500: '#3a307e',
    950: '#000000',
  },
}

SCSS

$custom: #3a307e;
$custom-light: #7769a4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a307e",
  "rgb": {
    "r": 58,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 247.692,
    "s": 44.828,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36743,
    "c": 0.12682,
    "h": 284.1
  },
  "luminance": 0.0452
}

Semantic roles & 50–950 ramp

primary

#3A307E

secondary

#A1AB5F

accent

#D553C4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #3A307E

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

Preview Lab → · Contrast checker → · Palette generator →