#691B40
Closest named color: Merlot (#730039). oklch(36.2% 0.116 355.5), rgb(105, 27, 64).
Aa
White text reads best on this color (11.46:1).
About this color
#691B40 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.116 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.032 away. White text reads best on it, at 11.46:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.83:1 |
| White text | 11.46:1 |
Values
| HEX | #691B40 |
| RGB | rgb(105, 27, 64) |
| HSL | hsl(332, 59%, 26%) |
| OKLCH | oklch(36.2% 0.116 355.5) |
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 #691B40 | 11.46:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #691B40 | 1.83:1 | Fails | Lc 8.4 | Not readable |
| #691B40 text on white | 11.46:1 | AAA | Lc 95.5 | Preferred for body text |
| #691B40 text on black | 1.83:1 | 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 900.
-
Step 50
50
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F9E3EA
oklch(93.6% 0.026 356.3)
-
Step 200
200
#F5CDDA
oklch(88.6% 0.048 356.6)
-
Step 300
300
#EFA9C3
oklch(80.9% 0.088 355.2)
-
Step 400
400
#E379A4
oklch(70.7% 0.139 355.6)
-
Step 500
500
#D8518E
oklch(63.1% 0.179 355.4)
-
Step 600
600
#C32E78
oklch(55.6% 0.194 355.5)
-
Step 700
700
#A81F65
oklch(49.2% 0.18 355.5)
-
Step 800
800
#881D52
oklch(42.6% 0.149 355.5)
-
Step 900
900 (this color)
#691B40
oklch(36.2% 0.116 355.5)
-
Step 950
950
#411428
oklch(27.1% 0.074 355.6)
#691B40 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) | #293041 | 0.130 |
| Deuteranopia (no green cones) | #3F3F3E | 0.117 |
| Tritanopia (no blue cones) | #72132B | 0.038 |
| Achromatopsia (no color) | #393939 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #691B40
#691B40
oklch(36.2% 0.116 355.5)
- #00493C
#00493C
oklch(36.2% 0.068 175.6)
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 #691B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.032
- Velvet #750851 ΔE 0.044
- Grape Purple #5D1451 ΔE 0.048
- Bordeaux #7B002C ΔE 0.049
- Wine #80013F ΔE 0.050
- Red Purple #820747 ΔE 0.055
- Burgundy #610023 ΔE 0.056
- Rich Purple #720058 ΔE 0.057
Use #691B40 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.