#837ECC
Closest named color: Deep Lilac (#966EBD). oklch(63% 0.116 285.5), rgb(131, 126, 204).
Aa
Black text reads best on this color (5.82:1).
About this color
#837ECC is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.116 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.048 away. Black text reads best on it, at 5.82:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #837ECC |
| RGB | rgb(131, 126, 204) |
| HSL | hsl(244, 43%, 65%) |
| OKLCH | oklch(63% 0.116 285.5) |
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 #837ECC | 3.60:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #837ECC | 5.82:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #837ECC text on white | 3.60:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #837ECC text on black | 5.82:1 | AA | Lc -38.1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D7D7EE
oklch(88.6% 0.031 285.7)
-
Step 300
300
#BCBCE4
oklch(80.8% 0.056 285.1)
-
Step 400
400
#9B99D7
oklch(70.8% 0.09 285.3)
-
Step 500
500 (this color)
#837ECC
oklch(63% 0.116 285.5)
-
Step 600
600
#6D66B9
oklch(55.5% 0.126 285.4)
-
Step 700
700
#5C559F
oklch(49.2% 0.116 285.6)
-
Step 800
800
#4B4681
oklch(42.8% 0.096 285.5)
-
Step 900
900
#3E3B68
oklch(37.7% 0.076 285.2)
-
Step 950
950
#24233D
oklch(27.1% 0.048 284.5)
#837ECC 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) | #6589CF | 0.045 |
| Deuteranopia (no green cones) | #6384CA | 0.044 |
| Tritanopia (no blue cones) | #708D9B | 0.100 |
| Achromatopsia (no color) | #878787 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837ECC
#837ECC
oklch(63% 0.116 285.5)
- #938D2C
#938D2C
oklch(63% 0.116 105.8)
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 #837ECC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.048
- Medium Purple #9370DB ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.053
- Soft Blue #6488EA ΔE 0.058
- Wisteria #A87DC2 ΔE 0.059
- Faded Blue #658CBB ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.068
Use #837ECC 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.