#3A507B#3A507B

#3A507B is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.4% C 0.077 H 262.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3A507B
RGB	rgb(58, 80, 123)
HSL	hsl(220, 36%, 35%)
HSV	hsv(220, 53%, 48%)
CMYK	cmyk(52.8%, 35%, 0%, 51.8%)
CIE-LAB	lab(34.12, 4.78, -27.01)
CIE-LCH	lch(34.12, 27.43, 280.04°)
OKLab	oklab(43.36% -0.0094 -0.0761)
OKLCH	oklch(43.36% 0.077 262.9)
XYZ	xyz(8.1875, 8.0664, 19.8606)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A507B #7B653A

analogous

#3A707B #3A507B #443A7B

triadic

#3A507B #7B3A50 #507B3A

tetradic

#3A507B #7B3A70 #7B653A #3A7B44

square

#3A507B #7B3A70 #7B653A #3A7B44

split-complementary

#3A507B #7B443A #707B3A

monochromatic

#131A28 #263551 #3A507B #4E6BA5 #738CBD

Accessibility & contrast

On white

8.04

#3A507B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3A507B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A507B

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A507B	#FFFFFF	#000000	##FFFFFF
##3A507B	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537D

Deuteranopia (green-blind)

#384D7A

Tritanopia (blue-blind)

#1C5960

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3a507b;
/* rgb */ color: rgb(58, 80, 123);
/* oklch */ color: oklch(43.4% 0.077 262.9);

Tailwind

colors: {
  custom: {
    50: '#7580a1',
    500: '#3a507b',
    950: '#000000',
  },
}

SCSS

$custom: #3a507b;
$custom-light: #7580a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a507b",
  "rgb": {
    "r": 58,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 219.692,
    "s": 35.912,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43356,
    "c": 0.07665,
    "h": 262.9
  },
  "luminance": 0.08067
}

Semantic roles & 50–950 ramp

primary

#3A507B

secondary

#A6926B

accent

#A65CCC

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #3A507B

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

Preview Lab → · Contrast checker → · Palette generator →