#837ACC
Closest named color: Deep Lilac (#966EBD). oklch(62.3% 0.122 287.3), rgb(131, 122, 204).
Aa
Black text reads best on this color (5.62:1).
About this color
#837ACC is a medium-light, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.122 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.042 away. Black text reads best on it, at 5.62:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #837ACC |
| RGB | rgb(131, 122, 204) |
| HSL | hsl(247, 45%, 64%) |
| OKLCH | oklch(62.3% 0.122 287.3) |
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 #837ACC | 3.73:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #837ACC | 5.62:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #837ACC text on white | 3.73:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #837ACC text on black | 5.62:1 | AA | Lc -36.8 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BEBBE6
oklch(80.9% 0.06 288.2)
-
Step 400
400
#9D97D9
oklch(70.6% 0.096 287.9)
-
Step 500
500 (this color)
#837ACC
oklch(62.3% 0.122 287.3)
-
Step 600
600
#7064BC
oklch(55.6% 0.133 287.5)
-
Step 700
700
#5E53A2
oklch(49.2% 0.123 287.4)
-
Step 800
800
#4D4483
oklch(42.7% 0.102 287.8)
-
Step 900
900
#3F3A69
oklch(37.7% 0.079 286.8)
-
Step 950
950
#25223E
oklch(27% 0.051 287.4)
#837ACC 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) | #6086CF | 0.052 |
| Deuteranopia (no green cones) | #5F82CA | 0.050 |
| Tritanopia (no blue cones) | #708A99 | 0.104 |
| Achromatopsia (no color) | #848484 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837ACC
#837ACC
oklch(62.3% 0.122 287.3)
- #8F8B22
#8F8B22
oklch(62.1% 0.121 107.2)
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 #837ACC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.042
- Medium Purple #9370DB ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.060
- Wisteria #A87DC2 ΔE 0.062
- Soft Blue #6488EA ΔE 0.062
- Soft Purple #A66FB5 ΔE 0.065
- Dark Lilac #9C6DA5 ΔE 0.070
- Faded Blue #658CBB ΔE 0.070
Use #837ACC 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.