#4C70BC#4C70BC

#4C70BC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.126 H 263.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4C70BC
RGB	rgb(76, 112, 188)
HSL	hsl(221, 46%, 52%)
HSV	hsv(221, 60%, 74%)
CMYK	cmyk(59.6%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.95, 10.68, -43.90)
CIE-LCH	lch(47.95, 45.18, 283.68°)
OKLab	oklab(55.48% -0.0138 -0.1248)
OKLCH	oklch(55.48% 0.126 263.7)
XYZ	xyz(17.8486, 16.7542, 49.8605)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C70BC #BC984C

analogous

#4CA8BC #4C70BC #604CBC

triadic

#4C70BC #BC4C70 #70BC4C

tetradic

#4C70BC #BC4CA8 #BC984C #4CBC60

square

#4C70BC #BC4CA8 #BC984C #4CBC60

split-complementary

#4C70BC #BC604C #A8BC4C

monochromatic

#273B67 #375594 #4C70BC #7994CD #A5B7DD

Accessibility & contrast

On white

4.83

#4C70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#4C70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C70BC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C70BC	#FFFFFF	#000000	##FFFFFF
##4C70BC	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BF

Deuteranopia (green-blind)

#406DBA

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4c70bc;
/* rgb */ color: rgb(76, 112, 188);
/* oklch */ color: oklch(55.5% 0.126 263.7);

Tailwind

colors: {
  custom: {
    50: '#8798d0',
    500: '#4c70bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c70bc;
$custom-light: #8798d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c70bc",
  "rgb": {
    "r": 76,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 220.714,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5548,
    "c": 0.12552,
    "h": 263.7
  },
  "luminance": 0.16756
}

Semantic roles & 50–950 ramp

primary

#4C70BC

secondary

#CABB99

accent

#AB53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4C70BC

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

Preview Lab → · Contrast checker → · Palette generator →