#640907
Closest named color: Claret (#680018). oklch(32.3% 0.123 28.5), rgb(100, 9, 7).
Aa
White text reads best on this color (13.25:1).
About this color
#640907 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.123 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.024 away. White text reads best on it, at 13.25:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.58:1 |
| White text | 13.25:1 |
Values
| HEX | #640907 |
| RGB | rgb(100, 9, 7) |
| HSL | hsl(1, 87%, 21%) |
| OKLCH | oklch(32.3% 0.123 28.5) |
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 #640907 | 13.25:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #640907 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #640907 text on white | 13.25:1 | AAA | Lc 98.1 | Preferred for body text |
| #640907 text on black | 1.58:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FF6A5A
oklch(70.7% 0.185 28.7)
-
Step 500
500
#FF0E13
oklch(63.1% 0.255 28.5)
-
Step 600
600
#D9000A
oklch(55.6% 0.228 28.4)
-
Step 700
700
#B80007
oklch(49.2% 0.201 28.4)
-
Step 800
800
#980004
oklch(42.7% 0.175 28.5)
-
Step 900
900
#800003
oklch(37.7% 0.154 28.5)
-
Step 950
950 (this color)
#640907
oklch(32.3% 0.123 28.5)
#640907 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) | #292305 | 0.133 |
| Deuteranopia (no green cones) | #3E3702 | 0.122 |
| Tritanopia (no blue cones) | #6F000A | 0.025 |
| Achromatopsia (no color) | #303030 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #640907
#640907
oklch(32.3% 0.123 28.5)
- #003B42
#003B42
oklch(32.2% 0.055 207.8)
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 #640907, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.024
- Reddy Brown #6E1005 ΔE 0.027
- Burgundy #610023 ΔE 0.042
- Blood #770001 ΔE 0.042
- Wine Red #7B0323 ΔE 0.061
- Maroon #800000 ΔE 0.063
- Mahogany #4A0100 ΔE 0.067
- Bordeaux #7B002C ΔE 0.069
Use #640907 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.