#918FB3
Closest named color: Cool Gray (#8D99AE). oklch(66.4% 0.053 287.4), rgb(145, 143, 179).
Aa
Black text reads best on this color (6.78:1).
About this color
#918FB3 is a medium-light, muted purple. In OKLCH its lightness is 66%, its chroma 0.053 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.031 away. Black text reads best on it, at 6.78:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #918FB3 |
| RGB | rgb(145, 143, 179) |
| HSL | hsl(243, 19%, 63%) |
| OKLCH | oklch(66.4% 0.053 287.4) |
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 #918FB3 | 3.09:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #918FB3 | 6.78:1 | AA | Lc 46.1 | Large or bold text, headings |
| #918FB3 text on white | 3.09:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #918FB3 text on black | 6.78:1 | AA | Lc -43.8 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E2
oklch(88.5% 0.014 286.1)
-
Step 300
300
#BFBED1
oklch(80.8% 0.027 288.2)
-
Step 400
400
#9E9DBA
oklch(70.7% 0.042 286.9)
-
Step 500
500 (this color)
#918FB3
oklch(66.4% 0.053 287.4)
-
Step 600
600
#716E94
oklch(55.5% 0.059 287.9)
-
Step 700
700
#5F5C7E
oklch(49.1% 0.054 288.3)
-
Step 800
800
#4D4B66
oklch(42.6% 0.044 287.7)
-
Step 900
900
#403F53
oklch(37.7% 0.034 286.9)
-
Step 950
950
#262531
oklch(27.1% 0.022 288.6)
#918FB3 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) | #8693B5 | 0.017 |
| Deuteranopia (no green cones) | #8692B2 | 0.017 |
| Tritanopia (no blue cones) | #8A959B | 0.046 |
| Achromatopsia (no color) | #929292 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #918FB3
#918FB3
oklch(66.4% 0.053 287.4)
- #979671
#979671
oklch(66.4% 0.052 106.4)
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 #918FB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.031
- Heather #A484AC ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.040
- Dusty Lavender #AC86A8 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.049
- Purpley Grey #947E94 ΔE 0.055
- Greyblue #77A1B5 ΔE 0.057
Use #918FB3 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.