#978FAA
Closest named color: Cool Gray (#8D99AE). oklch(66.6% 0.04 298.8), rgb(151, 143, 170).
Aa
Black text reads best on this color (6.82:1).
About this color
#978FAA is a medium-light, muted purple. In OKLCH its lightness is 67%, its chroma 0.040 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.028 away. Black text reads best on it, at 6.82:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #978FAA |
| RGB | rgb(151, 143, 170) |
| HSL | hsl(258, 14%, 61%) |
| OKLCH | oklch(66.6% 0.04 298.8) |
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 #978FAA | 3.07:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #978FAA | 6.82:1 | AA | Lc 46.4 | Large or bold text, headings |
| #978FAA text on white | 3.07:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #978FAA text on black | 6.82:1 | AA | Lc -44.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#DAD8E0
oklch(88.6% 0.011 297.6)
-
Step 300
300
#C2BECC
oklch(80.9% 0.02 299)
-
Step 400
400
#A39DB2
oklch(70.8% 0.031 298.7)
-
Step 500
500 (this color)
#978FAA
oklch(66.6% 0.04 298.8)
-
Step 600
600
#766E8A
oklch(55.6% 0.044 298)
-
Step 700
700
#645C75
oklch(49.2% 0.041 299.5)
-
Step 800
800
#514B5F
oklch(42.6% 0.033 298.7)
-
Step 900
900
#433F4E
oklch(37.8% 0.026 297.4)
-
Step 950
950
#27252E
oklch(27% 0.017 295.4)
#978FAA 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) | #8A93AB | 0.020 |
| Deuteranopia (no green cones) | #8B93A9 | 0.020 |
| Tritanopia (no blue cones) | #949398 | 0.033 |
| Achromatopsia (no color) | #939393 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #978FAA
#978FAA
oklch(66.6% 0.04 298.8)
- #91987C
#91987C
oklch(66.6% 0.041 118.9)
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 #978FAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.028
- Heather #A484AC ΔE 0.035
- Dusty Lavender #AC86A8 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
- Purpley Grey #947E94 ΔE 0.049
- Blue Grey #758DA3 ΔE 0.050
- English Lavender #9D8189 ΔE 0.052
Use #978FAA 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.