#A1103A
Closest named color: Cranberry (#9E003A). oklch(45.8% 0.174 13.4), rgb(161, 16, 58).
Aa
White text reads best on this color (7.92:1).
About this color
#A1103A is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.174 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Cranberry (#9E003A), ΔE 0.014 away. White text reads best on it, at 7.92:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Cranberry (#9E003A) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #A1103A |
| RGB | rgb(161, 16, 58) |
| HSL | hsl(343, 82%, 35%) |
| OKLCH | oklch(45.8% 0.174 13.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A1103A | 7.92:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #A1103A | 2.65:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #A1103A text on white | 7.92:1 | AAA | Lc 85.5 | Fine for body text |
| #A1103A text on black | 2.65:1 | Fails | Lc -16.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FDE2E4
oklch(93.5% 0.03 12.6)
-
Step 200
200
#FCCBCE
oklch(88.6% 0.056 14.1)
-
Step 300
300
#FBA5AD
oklch(80.9% 0.102 13.5)
-
Step 400
400
#F47083
oklch(70.8% 0.162 13.3)
-
Step 500
500
#EB3E64
oklch(63% 0.208 13.2)
-
Step 600
600
#D5004C
oklch(55.6% 0.222 13.3)
-
Step 700
700
#B4003F
oklch(49% 0.196 13.2)
-
Step 800
800 (this color)
#A1103A
oklch(45.8% 0.174 13.4)
-
Step 900
900
#79122C
oklch(37.8% 0.136 13.3)
-
Step 950
950
#470E1A
oklch(26.9% 0.086 13)
#A1103A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #403F3A | 0.196 |
| Deuteranopia (no green cones) | #635B36 | 0.178 |
| Tritanopia (no blue cones) | #B10025 | 0.041 |
| Achromatopsia (no color) | #515151 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1103A
#A1103A
oklch(45.8% 0.174 13.4)
- #006564
#006564
oklch(45.8% 0.078 193.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A1103A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cranberry #9E003A ΔE 0.014
- Rouge #AB1239 ΔE 0.022
- Berry #990F4B ΔE 0.033
- Purple Red #990147 ΔE 0.033
- Auburn #9B2226 ΔE 0.037
- Raspberry #B00149 ΔE 0.037
- Carmine #9D0216 ΔE 0.041
- Brown #A52A2A ΔE 0.045
Use #A1103A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.