#990500
Closest named color: Deep Red (#9A0200). oklch(43.1% 0.174 29.7), rgb(153, 5, 0).
Aa
White text reads best on this color (8.83:1).
About this color
#990500 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.174 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Red (#9A0200), ΔE 0.002 away. White text reads best on it, at 8.83:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Deep Red (#9A0200) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #990500 |
| RGB | rgb(153, 5, 0) |
| HSL | hsl(2, 100%, 30%) |
| OKLCH | oklch(43.1% 0.174 29.7) |
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 #990500 | 8.83:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #990500 | 2.37:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #990500 text on white | 8.83:1 | AAA | Lc 87.8 | Fine for body text |
| #990500 text on black | 2.37:1 | Fails | Lc -14.3 | Not readable |
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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC3
oklch(88.5% 0.056 30.5)
-
Step 300
300
#FBA89A
oklch(80.9% 0.101 30)
-
Step 400
400
#F57361
oklch(70.6% 0.163 29.8)
-
Step 500
500
#ED4433
oklch(63.2% 0.208 29.7)
-
Step 600
600
#D80B00
oklch(55.6% 0.225 29.7)
-
Step 700
700
#B70700
oklch(49.1% 0.199 29.7)
-
Step 800
800 (this color)
#990500
oklch(43.1% 0.174 29.7)
-
Step 900
900
#7A160D
oklch(37.8% 0.136 29.9)
-
Step 950
950
#48100A
oklch(27.1% 0.086 29.8)
#990500 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) | #3F3700 | 0.191 |
| Deuteranopia (no green cones) | #615500 | 0.168 |
| Tritanopia (no blue cones) | #AA0008 | 0.037 |
| Achromatopsia (no color) | #4A4A4A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #990500
#990500
oklch(43.1% 0.174 29.7)
- #005B66
#005B66
oklch(43.1% 0.074 209)
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 #990500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Red #9A0200 ΔE 0.002
- Blood Red #980002 ΔE 0.005
- Carmine #9D0216 ΔE 0.016
- Brick Red #8F1402 ΔE 0.021
- Dark Red #8B0000 ΔE 0.033
- Auburn #9B2226 ΔE 0.033
- Burnt Red #9F2305 ΔE 0.033
- Brown Red #922B05 ΔE 0.039
Use #990500 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.