#3558B7#3558B7

#3558B7 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.156 H 265.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#3558B7
RGB	rgb(53, 88, 183)
HSL	hsl(224, 55%, 46%)
HSV	hsv(224, 71%, 72%)
CMYK	cmyk(71%, 51.9%, 0%, 28.2%)
CIE-LAB	lab(39.84, 20.21, -54.05)
CIE-LCH	lch(39.84, 57.70, 290.50°)
OKLab	oklab(48.86% -0.0118 -0.1554)
OKLCH	oklch(48.86% 0.156 265.7)
XYZ	xyz(13.5022, 11.1538, 46.2319)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558B7 #B79435

analogous

#3599B7 #3558B7 #5335B7

triadic

#3558B7 #B73558 #58B735

tetradic

#3558B7 #B73599 #B79435 #35B753

square

#3558B7 #B73599 #B79435 #35B753

split-complementary

#3558B7 #B75335 #99B735

monochromatic

#1A2A58 #274188 #3558B7 #5A7ACF #89A0DD

Accessibility & contrast

On white

6.50

#3558B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#3558B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558B7

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558B7	#FFFFFF	#000000	##FFFFFF
##3558B7	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B64BA

Deuteranopia (green-blind)

#0058B5

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3558b7;
/* rgb */ color: rgb(53, 88, 183);
/* oklch */ color: oklch(48.9% 0.156 265.7);

Tailwind

colors: {
  custom: {
    50: '#7d86cd',
    500: '#3558b7',
    950: '#000000',
  },
}

SCSS

$custom: #3558b7;
$custom-light: #7d86cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3558b7",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 183
  },
  "hsl": {
    "h": 223.846,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48861,
    "c": 0.15581,
    "h": 265.7
  },
  "luminance": 0.11155
}

Semantic roles & 50–950 ramp

primary

#3558B7

secondary

#C7B481

accent

#B649DE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3558B7

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

Preview Lab → · Contrast checker → · Palette generator →