#A01638#A01638

#A01638 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.8% C 0.170 H 14.8°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#A01638
RGB	rgb(160, 22, 56)
HSL	hsl(345, 76%, 36%)
HSV	hsv(345, 86%, 63%)
CMYK	cmyk(0%, 86.3%, 65%, 37.3%)
CIE-LAB	lab(34.67, 54.76, 18.05)
CIE-LCH	lch(34.67, 57.65, 18.24°)
OKLab	oklab(45.84% 0.1641 0.0435)
OKLCH	oklch(45.84% 0.17 14.8)
XYZ	xyz(15.4996, 8.3354, 4.5334)
Luminance	0.0833 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01638 #16A07E

analogous

#A0167D #A01638 #A03916

triadic

#A01638 #38A016 #1638A0

tetradic

#A01638 #7DA016 #16A07E #3916A0

square

#A01638 #7DA016 #16A07E #3916A0

split-complementary

#A01638 #16A039 #167DA0

monochromatic

#340712 #6A0F25 #A01638 #D61D4B #E64A71

Accessibility & contrast

On white

7.88

#A01638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#A01638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01638

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01638	#FFFFFF	#000000	##FFFFFF
##A01638	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423F38

Deuteranopia (green-blind)

#645B34

Tritanopia (blue-blind)

#B00026

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01638;
/* rgb */ color: rgb(160, 22, 56);
/* oklch */ color: oklch(45.8% 0.170 14.8);

Tailwind

colors: {
  custom: {
    50: '#c4656e',
    500: '#a01638',
    950: '#000000',
  },
}

SCSS

$custom: #a01638;
$custom-light: #c4656e;
$custom-dark: #000000;

JSON

{
  "hex": "#a01638",
  "rgb": {
    "r": 160,
    "g": 22,
    "b": 56
  },
  "hsl": {
    "h": 345.217,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45839,
    "c": 0.16972,
    "h": 14.8
  },
  "luminance": 0.08333
}

Semantic roles & 50–950 ramp

primary

#A01638

secondary

#4AC8A9

accent

#F2C435

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A01638

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

Preview Lab → · Contrast checker → · Palette generator →