#837DB0
Closest named color: Lavender Gray (#7E7F9A). oklch(61.5% 0.077 289.3), rgb(131, 125, 176).
Aa
Black text reads best on this color (5.52:1).
About this color
#837DB0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.077 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.037 away. Black text reads best on it, at 5.52:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #837DB0 |
| RGB | rgb(131, 125, 176) |
| HSL | hsl(247, 24%, 59%) |
| OKLCH | oklch(61.5% 0.077 289.3) |
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 #837DB0 | 3.80:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #837DB0 | 5.52:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #837DB0 text on white | 3.80:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #837DB0 text on black | 5.52:1 | AA | Lc -36.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E6
oklch(88.4% 0.02 289)
-
Step 300
300
#BFBDD8
oklch(80.9% 0.038 288.9)
-
Step 400
400
#9F9BC4
oklch(70.7% 0.059 289.3)
-
Step 500
500 (this color)
#837DB0
oklch(61.5% 0.077 289.3)
-
Step 600
600
#726BA1
oklch(55.6% 0.083 289.4)
-
Step 700
700
#60598A
oklch(49.1% 0.078 289.8)
-
Step 800
800
#4E4970
oklch(42.7% 0.064 289.3)
-
Step 900
900
#413D5B
oklch(37.7% 0.051 289.8)
-
Step 950
950
#262435
oklch(27% 0.031 289.5)
#837DB0 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) | #7084B2 | 0.030 |
| Deuteranopia (no green cones) | #7082AF | 0.029 |
| Tritanopia (no blue cones) | #79868F | 0.066 |
| Achromatopsia (no color) | #838383 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837DB0
#837DB0
oklch(61.5% 0.077 289.3)
- #888951
#888951
oklch(61.6% 0.077 109.3)
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 #837DB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.037
- Faded Purple #916E99 ΔE 0.048
- Purpley Grey #947E94 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.051
- Faded Blue #658CBB ΔE 0.052
- Dark Lilac #9C6DA5 ΔE 0.053
- Deep Lilac #966EBD ΔE 0.055
- Light Slate Gray #778899 ΔE 0.056
Use #837DB0 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.