#817FBC
Closest named color: Faded Blue (#658CBB). oklch(62.3% 0.091 284.9), rgb(129, 127, 188).
Aa
Black text reads best on this color (5.69:1).
About this color
#817FBC is a medium-light, moderately saturated purple. In OKLCH its lightness is 62%, its chroma 0.091 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.048 away. Black text reads best on it, at 5.69:1.
| Hue family | Purples |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #817FBC |
| RGB | rgb(129, 127, 188) |
| HSL | hsl(242, 31%, 62%) |
| OKLCH | oklch(62.3% 0.091 284.9) |
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 #817FBC | 3.68:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #817FBC | 5.69:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #817FBC text on white | 3.68:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #817FBC text on black | 5.69:1 | AA | Lc -37.3 | 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
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BDBDDD
oklch(80.9% 0.045 285.4)
-
Step 400
400
#9B9BCC
oklch(70.7% 0.071 284.4)
-
Step 500
500 (this color)
#817FBC
oklch(62.3% 0.091 284.9)
-
Step 600
600
#6D6AAB
oklch(55.5% 0.1 284.8)
-
Step 700
700
#5C5893
oklch(49.1% 0.093 285.5)
-
Step 800
800
#4B4877
oklch(42.6% 0.077 285.6)
-
Step 900
900
#3E3D60
oklch(37.7% 0.059 284.5)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#817FBC 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) | #6D87BF | 0.032 |
| Deuteranopia (no green cones) | #6C83BA | 0.030 |
| Tritanopia (no blue cones) | #728A95 | 0.079 |
| Achromatopsia (no color) | #858585 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817FBC
#817FBC
oklch(62.3% 0.091 284.9)
- #8F8A45
#8F8A45
oklch(62.2% 0.091 105)
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 #817FBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.048
- Deep Lilac #966EBD ΔE 0.052
- Lavender Gray #7E7F9A ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.056
- Dusty Blue #5A86AD ΔE 0.060
- Wisteria #A87DC2 ΔE 0.061
- Off Blue #5684AE ΔE 0.062
- Dark Lilac #9C6DA5 ΔE 0.062
Use #817FBC 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.