#817E90
Closest named color: Lavender Gray (#7E7F9A). oklch(60.2% 0.027 293.2), rgb(129, 126, 144).
Aa
Black text reads best on this color (5.32:1).
About this color
#817E90 is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.015 away. Black text reads best on it, at 5.32:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #817E90 |
| RGB | rgb(129, 126, 144) |
| HSL | hsl(250, 7%, 53%) |
| OKLCH | oklch(60.2% 0.027 293.2) |
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 #817E90 | 3.94:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #817E90 | 5.32:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #817E90 text on white | 3.94:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #817E90 text on black | 5.32:1 | AA | Lc -34.8 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DE
oklch(88.5% 0.008 293.9)
-
Step 300
300
#C1BFC9
oklch(80.9% 0.014 295.3)
-
Step 400
400
#A19EAD
oklch(70.7% 0.022 295)
-
Step 500
500 (this color)
#817E90
oklch(60.2% 0.027 293.2)
-
Step 600
600
#747084
oklch(55.6% 0.031 294.5)
-
Step 700
700
#615E6F
oklch(49.1% 0.027 293.5)
-
Step 800
800
#4F4D5B
oklch(42.7% 0.023 291.9)
-
Step 900
900
#42404A
oklch(37.7% 0.017 294.7)
-
Step 950
950
#26252C
oklch(26.8% 0.013 292.1)
#817E90 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) | #7A8091 | 0.011 |
| Deuteranopia (no green cones) | #7B808F | 0.010 |
| Tritanopia (no blue cones) | #7E8184 | 0.024 |
| Achromatopsia (no color) | #808080 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817E90
#817E90
oklch(60.2% 0.027 293.2)
- #808370
#808370
oklch(60.2% 0.028 114.5)
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 #817E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.015
- Slate Gray #708090 ΔE 0.024
- Steel #738595 ΔE 0.025
- Gray #808080 ΔE 0.027
- Light Slate Gray #778899 ΔE 0.029
- Purpley Grey #947E94 ΔE 0.030
- Steel Grey #6F828A ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.033
Use #817E90 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.