#837FC7
Closest named color: Deep Lilac (#966EBD). oklch(63% 0.107 285.4), rgb(131, 127, 199).
Aa
Black text reads best on this color (5.82:1).
About this color
#837FC7 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.107 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.049 away. Black text reads best on it, at 5.82:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #837FC7 |
| RGB | rgb(131, 127, 199) |
| HSL | hsl(243, 39%, 64%) |
| OKLCH | oklch(63% 0.107 285.4) |
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 #837FC7 | 3.60:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #837FC7 | 5.82:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #837FC7 text on white | 3.60:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #837FC7 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BDBCE2
oklch(80.9% 0.053 286.3)
-
Step 400
400
#9B99D3
oklch(70.6% 0.084 285.6)
-
Step 500
500 (this color)
#837FC7
oklch(63% 0.107 285.4)
-
Step 600
600
#6E68B4
oklch(55.7% 0.116 285.6)
-
Step 700
700
#5C569B
oklch(49.1% 0.108 285.7)
-
Step 800
800
#4B477E
oklch(42.8% 0.09 285.3)
-
Step 900
900
#3E3C65
oklch(37.8% 0.069 284.8)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#837FC7 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) | #6989CA | 0.040 |
| Deuteranopia (no green cones) | #6785C5 | 0.039 |
| Tritanopia (no blue cones) | #718C9A | 0.091 |
| Achromatopsia (no color) | #878787 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837FC7
#837FC7
oklch(63% 0.107 285.4)
- #928D37
#928D37
oklch(63% 0.108 106)
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 #837FC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.049
- Faded Blue #658CBB ΔE 0.057
- Medium Purple #9370DB ΔE 0.057
- Wisteria #A87DC2 ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.057
- Soft Blue #6488EA ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.066
- Dark Lilac #9C6DA5 ΔE 0.069
Use #837FC7 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.