#978F9D
Closest named color: Cool Gray (#8D99AE). oklch(66.1% 0.022 311), rgb(151, 143, 157).
Aa
Black text reads best on this color (6.73:1).
About this color
#978F9D is a medium-light close to neutral grey. In OKLCH its lightness is 66%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.032 away. Black text reads best on it, at 6.73:1.
| Hue family | Neutrals |
| Lightness | medium-light (66%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #978F9D |
| RGB | rgb(151, 143, 157) |
| HSL | hsl(274, 7%, 59%) |
| OKLCH | oklch(66.1% 0.022 311) |
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 #978F9D | 3.11:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #978F9D | 6.73:1 | AA | Lc 45.8 | Large or bold text, headings |
| #978F9D text on white | 3.11:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #978F9D text on black | 6.73:1 | AA | Lc -43.5 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EAE9EB
oklch(93.5% 0.003 308.4)
-
Step 200
200
#DAD8DC
oklch(88.5% 0.006 308.4)
-
Step 300
300
#C3BFC6
oklch(81% 0.011 311.2)
-
Step 400
400
#A49EA9
oklch(70.8% 0.017 310)
-
Step 500
500 (this color)
#978F9D
oklch(66.1% 0.022 311)
-
Step 600
600
#78707E
oklch(55.7% 0.023 310.9)
-
Step 700
700
#655D6A
oklch(49% 0.023 312.6)
-
Step 800
800
#524C57
oklch(42.6% 0.019 309.8)
-
Step 900
900
#443F47
oklch(37.6% 0.015 313)
-
Step 950
950
#28252A
oklch(27% 0.01 312.1)
#978F9D 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) | #8D919E | 0.015 |
| Deuteranopia (no green cones) | #8F929D | 0.014 |
| Tritanopia (no blue cones) | #969193 | 0.018 |
| Achromatopsia (no color) | #929292 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #978F9D
#978F9D
oklch(66.1% 0.022 311)
- #8E9688
#8E9688
oklch(66.2% 0.022 131.6)
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 #978F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.032
- Warm Grey #978A84 ΔE 0.035
- English Lavender #9D8189 ΔE 0.040
- Purpley Grey #947E94 ΔE 0.046
- Dusty Lavender #AC86A8 ΔE 0.046
- Heather #A484AC ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.048
Use #978F9D 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.