#58639B#58639B

#58639B is a mid, moderate blue. Relative luminance 0.134; OKLCH L 51.5% C 0.090 H 274.4°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#58639B
RGB	rgb(88, 99, 155)
HSL	hsl(230, 28%, 48%)
HSV	hsv(230, 43%, 61%)
CMYK	cmyk(43.2%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(43.31, 10.92, -31.85)
CIE-LCH	lch(43.31, 33.67, 288.93°)
OKLab	oklab(51.53% 0.0069 -0.0894)
OKLCH	oklch(51.53% 0.09 274.4)
XYZ	xyz(14.4009, 13.3642, 32.8247)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58639B #9B9058

analogous

#58859B #58639B #6E589B

triadic

#58639B #9B5863 #639B58

tetradic

#58639B #9B5885 #9B9058 #589B6E

square

#58639B #9B5885 #9B9058 #589B6E

split-complementary

#58639B #9B6E58 #859B58

monochromatic

#2C314D #424A74 #58639B #7C85B4 #A3A9CB

Accessibility & contrast

On white

5.72

#58639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#58639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #58639B

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58639B	#FFFFFF	#000000	##FFFFFF
##58639B	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F699D

Deuteranopia (green-blind)

#4A649A

Tritanopia (blue-blind)

#426E78

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #58639b;
/* rgb */ color: rgb(88, 99, 155);
/* oklch */ color: oklch(51.5% 0.090 274.4);

Tailwind

colors: {
  custom: {
    50: '#8a8fb9',
    500: '#58639b',
    950: '#000000',
  },
}

SCSS

$custom: #58639b;
$custom-light: #8a8fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#58639b",
  "rgb": {
    "r": 88,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 230.149,
    "s": 27.572,
    "l": 47.647
  },
  "oklch": {
    "l": 0.51526,
    "c": 0.08971,
    "h": 274.4
  },
  "luminance": 0.13365
}

Semantic roles & 50–950 ramp

primary

#58639B

secondary

#B8B396

accent

#B464C4

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0C0C11

muted

#7D7D80

Preview Lab

Preview with #58639B

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

Preview Lab → · Contrast checker → · Palette generator →