#3A75C8#3A75C8

#3A75C8 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.143 H 257.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3A75C8
RGB	rgb(58, 117, 200)
HSL	hsl(215, 56%, 51%)
HSV	hsv(215, 71%, 78%)
CMYK	cmyk(71%, 41.5%, 0%, 21.6%)
CIE-LAB	lab(49.24, 8.70, -48.79)
CIE-LCH	lch(49.24, 49.56, 280.11°)
OKLab	oklab(56.48% -0.0311 -0.1393)
OKLCH	oklch(56.48% 0.143 257.4)
XYZ	xyz(18.5277, 17.7903, 57.0898)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A75C8 #C88D3A

analogous

#3ABCC8 #3A75C8 #463AC8

triadic

#3A75C8 #C83A75 #75C83A

tetradic

#3A75C8 #C83ABC #C88D3A #3AC846

square

#3A75C8 #C83ABC #C88D3A #3AC846

split-complementary

#3A75C8 #C8463A #BCC83A

monochromatic

#1E3D6A #2B599A #3A75C8 #6A97D5 #9AB8E3

Accessibility & contrast

On white

4.61

#3A75C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3A75C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A75C8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A75C8	#FFFFFF	#000000	##FFFFFF
##3A75C8	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7CCB

Deuteranopia (green-blind)

#366FC6

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a75c8;
/* rgb */ color: rgb(58, 117, 200);
/* oklch */ color: oklch(56.5% 0.143 257.4);

Tailwind

colors: {
  custom: {
    50: '#819cd9',
    500: '#3a75c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a75c8;
$custom-light: #819cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a75c8",
  "rgb": {
    "r": 58,
    "g": 117,
    "b": 200
  },
  "hsl": {
    "h": 215.07,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5648,
    "c": 0.14277,
    "h": 257.4
  },
  "luminance": 0.17792
}

Semantic roles & 50–950 ramp

primary

#3A75C8

secondary

#CEB48F

accent

#A148E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A75C8

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

Preview Lab → · Contrast checker → · Palette generator →