#970310
Closest named color: Blood Red (#980002). oklch(42.7% 0.172 26.6), rgb(151, 3, 16).
Aa
White text reads best on this color (8.98:1).
About this color
#970310 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.172 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Blood Red (#980002), ΔE 0.008 away. White text reads best on it, at 8.98:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Blood Red (#980002) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #970310 |
| RGB | rgb(151, 3, 16) |
| HSL | hsl(355, 96%, 30%) |
| OKLCH | oklch(42.7% 0.172 26.6) |
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 #970310 | 8.98:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #970310 | 2.33:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #970310 text on white | 8.98:1 | AAA | Lc 88.2 | Fine for body text |
| #970310 text on black | 2.33:1 | Fails | Lc -13.9 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC6
oklch(88.5% 0.055 26.5)
-
Step 300
300
#FBA79E
oklch(80.8% 0.101 26.2)
-
Step 400
400
#F47369
oklch(70.6% 0.161 26.4)
-
Step 500
500
#EC443F
oklch(63.1% 0.206 26.7)
-
Step 600
600
#D7091C
oklch(55.5% 0.223 26.6)
-
Step 700
700
#B70014
oklch(49% 0.2 26.6)
-
Step 800
800 (this color)
#970310
oklch(42.7% 0.172 26.6)
-
Step 900
900
#791616
oklch(37.7% 0.134 26.5)
-
Step 950
950
#47100E
oklch(26.9% 0.084 26.6)
#970310 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) | #3D360E | 0.190 |
| Deuteranopia (no green cones) | #5F5305 | 0.169 |
| Tritanopia (no blue cones) | #A7000C | 0.035 |
| Achromatopsia (no color) | #494949 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #970310
#970310
oklch(42.7% 0.172 26.6)
- #005A63
#005A63
oklch(42.7% 0.073 206.6)
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 #970310, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood Red #980002 ΔE 0.008
- Deep Red #9A0200 ΔE 0.011
- Carmine #9D0216 ΔE 0.014
- Brick Red #8F1402 ΔE 0.021
- Dark Red #8B0000 ΔE 0.029
- Auburn #9B2226 ΔE 0.032
- Burnt Red #9F2305 ΔE 0.040
- Brown Red #922B05 ΔE 0.044
Use #970310 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.