#3A70CC#3A70CC

#3A70CC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.154 H 260.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3A70CC
RGB	rgb(58, 112, 204)
HSL	hsl(218, 59%, 51%)
HSV	hsv(218, 72%, 80%)
CMYK	cmyk(71.6%, 45.1%, 0%, 20%)
CIE-LAB	lab(48.06, 13.28, -52.96)
CIE-LCH	lch(48.06, 54.60, 284.08°)
OKLab	oklab(55.65% -0.0258 -0.1517)
OKLCH	oklch(55.65% 0.154 260.3)
XYZ	xyz(18.4343, 16.8455, 59.3950)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70CC #CC963A

analogous

#3AB9CC #3A70CC #4D3ACC

triadic

#3A70CC #CC3A70 #70CC3A

tetradic

#3A70CC #CC3AB9 #CC963A #3ACC4D

square

#3A70CC #CC3AB9 #CC963A #3ACC4D

split-complementary

#3A70CC #CC4D3A #B9CC3A

monochromatic

#1D3B6F #2955A0 #3A70CC #6B93D9 #9BB7E5

Accessibility & contrast

On white

4.81

#3A70CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3A70CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70CC

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70CC	#FFFFFF	#000000	##FFFFFF
##3A70CC	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4179CF

Deuteranopia (green-blind)

#246CCA

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a70cc;
/* rgb */ color: rgb(58, 112, 204);
/* oklch */ color: oklch(55.6% 0.154 260.3);

Tailwind

colors: {
  custom: {
    50: '#8298dc',
    500: '#3a70cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a70cc;
$custom-light: #8298dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70cc",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 204
  },
  "hsl": {
    "h": 217.808,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55647,
    "c": 0.15384,
    "h": 260.3
  },
  "luminance": 0.16848
}

Semantic roles & 50–950 ramp

primary

#3A70CC

secondary

#D1B991

accent

#A846E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A70CC

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

Preview Lab → · Contrast checker → · Palette generator →