#3A70C8#3A70C8

#3A70C8 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.4% C 0.148 H 259.7°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A70C8
RGB	rgb(58, 112, 200)
HSL	hsl(217, 56%, 51%)
HSV	hsv(217, 71%, 78%)
CMYK	cmyk(71%, 44%, 0%, 21.6%)
CIE-LAB	lab(47.82, 11.82, -51.05)
CIE-LCH	lch(47.82, 52.40, 283.04°)
OKLab	oklab(55.38% -0.0265 -0.1461)
OKLCH	oklch(55.38% 0.148 259.7)
XYZ	xyz(17.9607, 16.6561, 56.9008)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70C8 #C8923A

analogous

#3AB7C8 #3A70C8 #4B3AC8

triadic

#3A70C8 #C83A70 #70C83A

tetradic

#3A70C8 #C83AB7 #C8923A #3AC84B

square

#3A70C8 #C83AB7 #C8923A #3AC84B

split-complementary

#3A70C8 #C84B3A #B7C83A

monochromatic

#1E3B6A #2B559A #3A70C8 #6A93D5 #9AB5E3

Accessibility & contrast

On white

4.85

#3A70C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3A70C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70C8

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70C8	#FFFFFF	#000000	##FFFFFF
##3A70C8	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CB

Deuteranopia (green-blind)

#2A6BC6

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a70c8;
/* rgb */ color: rgb(58, 112, 200);
/* oklch */ color: oklch(55.4% 0.148 259.7);

Tailwind

colors: {
  custom: {
    50: '#8198d9',
    500: '#3a70c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a70c8;
$custom-light: #8198d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70c8",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 217.183,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55384,
    "c": 0.14845,
    "h": 259.7
  },
  "luminance": 0.16658
}

Semantic roles & 50–950 ramp

primary

#3A70C8

secondary

#CEB68F

accent

#A648E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A70C8

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

Preview Lab → · Contrast checker → · Palette generator →