#97A7B3
Named color: Cool Steel. oklch(72% 0.025 240.2), rgb(151, 167, 179).
Aa
Black text reads best on this color (8.49:1).
About this color
#97A7B3 is a medium-light close to neutral grey. In OKLCH its lightness is 72%, its chroma 0.025. It has too little chroma to lean warm or cool. It is the named color Cool Steel. Black text reads best on it, at 8.49:1.
| Hue family | Neutrals |
| Lightness | medium-light (72%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cool Steel |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #97A7B3 |
| RGB | rgb(151, 167, 179) |
| HSL | hsl(206, 16%, 65%) |
| OKLCH | oklch(72% 0.025 240.2) |
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 #97A7B3 | 2.47:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #97A7B3 | 8.49:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #97A7B3 text on white | 2.47:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #97A7B3 text on black | 8.49:1 | AAA | Lc -53.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2CA
oklch(80.9% 0.016 241.8)
-
Step 400
400 (this color)
#97A7B3
oklch(72% 0.025 240.2)
-
Step 500
500
#798C9B
oklch(63% 0.032 241.9)
-
Step 600
600
#617686
oklch(55.5% 0.035 241.1)
-
Step 700
700
#506372
oklch(49% 0.033 242.2)
-
Step 800
800
#42515C
oklch(42.6% 0.026 240)
-
Step 900
900
#38434C
oklch(37.7% 0.021 243)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#97A7B3 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) | #A2A7B4 | 0.015 |
| Deuteranopia (no green cones) | #9EA3B3 | 0.014 |
| Tritanopia (no blue cones) | #90AAAB | 0.019 |
| Achromatopsia (no color) | #A5A5A5 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #97A7B3
#97A7B3
oklch(72% 0.025 240.2)
- #B1A195
#B1A195
oklch(71.9% 0.025 59.2)
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 #97A7B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.019
- Bluegrey #85A3B2 ΔE 0.027
- Pewter #96A8A1 ΔE 0.028
- Bluey Grey #89A0B0 ΔE 0.028
- Dark Gray #A9A9A9 ΔE 0.029
- Cool Gray #8D99AE ΔE 0.042
- Greyblue #77A1B5 ΔE 0.045
- Cement #A5A391 ΔE 0.048
Use #97A7B3 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.