#3A70C3#3A70C3

#3A70C3 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.1% C 0.142 H 258.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3A70C3
RGB	rgb(58, 112, 195)
HSL	hsl(216, 54%, 50%)
HSV	hsv(216, 70%, 76%)
CMYK	cmyk(70.3%, 42.6%, 0%, 23.5%)
CIE-LAB	lab(47.53, 10.00, -48.65)
CIE-LCH	lch(47.53, 49.67, 281.61°)
OKLab	oklab(55.06% -0.0275 -0.139)
OKLCH	oklch(55.06% 0.142 258.8)
XYZ	xyz(17.3859, 16.4262, 53.8735)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70C3 #C38D3A

analogous

#3AB5C3 #3A70C3 #483AC3

triadic

#3A70C3 #C33A70 #70C33A

tetradic

#3A70C3 #C33AB5 #C38D3A #3AC348

square

#3A70C3 #C33AB5 #C38D3A #3AC348

split-complementary

#3A70C3 #C3483A #B5C33A

monochromatic

#1E3A65 #2C5594 #3A70C3 #6892D2 #97B4E0

Accessibility & contrast

On white

4.90

#3A70C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3A70C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70C3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70C3	#FFFFFF	#000000	##FFFFFF
##3A70C3	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4878C6

Deuteranopia (green-blind)

#316BC1

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a70c3;
/* rgb */ color: rgb(58, 112, 195);
/* oklch */ color: oklch(55.1% 0.142 258.8);

Tailwind

colors: {
  custom: {
    50: '#8098d6',
    500: '#3a70c3',
    950: '#000000',
  },
}

SCSS

$custom: #3a70c3;
$custom-light: #8098d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70c3",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 195
  },
  "hsl": {
    "h": 216.35,
    "s": 54.15,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5506,
    "c": 0.14171,
    "h": 258.8
  },
  "luminance": 0.16428
}

Semantic roles & 50–950 ramp

primary

#3A70C3

secondary

#CCB38D

accent

#A34ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3A70C3

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

Preview Lab → · Contrast checker → · Palette generator →